**Option A:** The body centrode rolls on the space centrode

**Option B:** The space centrode rolls on the body centrode

**Option C:** Both body and space centrodes may role on each other

**Option D:** The body centrode never touches space centrode

**Correct Answer: **The body centrode rolls on the space centrode ✔

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**Option A:** 60 N

**Option B:** 80 N

**Option C:** 100 N

**Option D:** 120 N

**Correct Answer: **120 N ✔

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**Option A:** 30°

**Option B:** 45°

**Option C:** 60°

**Option D:** 120°

**Correct Answer: **120° ✔

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**Option A:** 0° and 90°

**Option B:** 180° and 90°

**Option C:** 90° and 180°

**Option D:** 180° and 0°

**Correct Answer: **180° and 0° ✔

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**Option A:** P = R

**Option B:** Q = R

**Option C:** P = Q

**Option D:** None of the above is correct

**Correct Answer: **Q = R ✔

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**Option A:** 50 J

**Option B:** 150 J

**Option C:** 200 J

**Option D:** 400 J

**Correct Answer: **200 J ✔

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**Option A:** a uniform solid cone resting on a generator on a smooth horizontal plane

**Option B:** a uniform solid cone resting on its base on a horizontal plane

**Option C:** a solid cube resting on one edge

**Option D:** a satellite encircling the earth

**Correct Answer: **a solid cube resting on one edge ✔

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**Option A:** pyramid

**Option B:** prism

**Option C:** both equally stable

**Option D:** none of the above

**Correct Answer: **pyramid ✔

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**Option A:** can raise the CG of the body but can not lower it

**Option B:** tends to lower the CG of the body

**Option C:** neither raises nor lowers the CG of the body

**Option D:** none of above

**Correct Answer: **can raise the CG of the body but can not lower it ✔

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**Option A:** disc with larger density

**Option B:** disc with smaller density

**Option C:** both discs will have same rotational inertia

**Option D:** none of the above

**Correct Answer: **disc with smaller density ✔

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**Option A:** only (1)

**Option B:** both (1) and (2)

**Option C:** both (1) and (3)

**Option D:** all (1), (2) and (3)

**Correct Answer: **all (1), (2) and (3) ✔

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**Option A:** sphere with greater rotational energy at bottom than cylinder

**Option B:** sphere with lesser rotational energy at bottom than cylinder

**Option C:** cylinder with greater rotational energy at bottom than sphere

**Option D:** both reach the bottom simultaneously with equal rotational energy at bottom

**Correct Answer: **sphere with lesser rotational energy at bottom than cylinder ✔

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**Option A:** (1/3) g sinB

**Option B:** (2/3) g cos 9

**Option C:** (2/3) g sin 0

**Option D:** g sin 9

**Correct Answer: **(2/3) g sin 0 ✔

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**Option A:** less than (1/3) tan 0

**Option B:** less than (2/3) tan 0

**Option C:** less than (1/3) sin 6

**Option D:** less than (2/3) sin 6

**Correct Answer: **less than (1/3) tan 0 ✔

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**Option A:** 1 rad/sec2

**Option B:** 4 rad/sec2

**Option C:** 6 rad/sec2

**Option D:** 12 rad/sec2

**Correct Answer: **6 rad/sec2 ✔

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**Option A:** 6 m/sec

**Option B:** 12 m/sec

**Option C:** 24 m/sec

**Option D:** 48 m/sec

**Correct Answer: **12 m/sec ✔

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**Option A:** constant

**Option B:** zero

**Option C:** maximum

**Option D:** minimum

**Correct Answer: **zero ✔

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**Option A:** (1) and (3)

**Option B:** (1) and (4)

**Option C:** (2) and (3)

**Option D:** (2) and (4)

**Correct Answer: **(2) and (4) ✔

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**Option A:** 36°

**Option B:** 45°

**Option C:** 56°

**Option D:** 76°

**Correct Answer: **76° ✔

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**Option A:** 5 sec

**Option B:** 8 sec

**Option C:** 10 sec

**Option D:** 20 sec

**Correct Answer: **10 sec ✔

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**Option A:** zero

**Option B:** maximum

**Option C:** minimum

**Option D:** unpredictable

**Correct Answer: **maximum ✔

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**Option A:** 45°

**Option B:** tan-1 (2)

**Option C:** tan-‘ (4)

**Option D:** tan”1 (1/4)

**Correct Answer: **tan-‘ (4) ✔

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**Option A:** stable

**Option B:** unstable

**Option C:** neutral

**Option D:** none of the above

**Correct Answer: **stable ✔

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**Option A:** only (1)

**Option B:** both (2) and (3)

**Option C:** both (1) and (3)

**Option D:** all are correct

**Correct Answer: **both (2) and (3) ✔

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**Option A:** zero potential energy and maximum kinetic energy

**Option B:** zero kinetic energy and maximum potential energy

**Option C:** maximum kinetic energy and maxi-mum potential energy

**Option D:** minimum kinetic energy and minimum potential energy

**Correct Answer: **zero kinetic energy and maximum potential energy ✔

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**Option A:** 1:2

**Option B:** 1:1

**Option C:** 2:1

**Option D:** 3:1

**Correct Answer: **3:1 ✔

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**Option A:** 1 sec and 99.4 cm

**Option B:** 1 sec and 92.7 cm

**Option C:** 2 sec and 99.4 cm

**Option D:** 2 sec and 92.7 cm

**Correct Answer: **2 sec and 99.4 cm ✔

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**Option A:** 1.00 m/sec

**Option B:** 1.57 m/sec

**Option C:** 3.14 m/sec

**Option D:** 6.28 m/sec

**Correct Answer: **3.14 m/sec ✔

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**Option A:** power

**Option B:** impulse

**Option C:** work

**Option D:** momentum

**Correct Answer: **work ✔

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**Option A:** force and pressure

**Option B:** mass and power

**Option C:** energy and velocity

**Option D:** force and velocity

**Correct Answer: **mass and power ✔

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**Option A:** M’^T’

**Option B:** M’L-‘T0

**Option C:** M’L-‘T1

**Option D:** M2L’T3

**Correct Answer: **M’L-‘T0 ✔

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**Option A:** M1 L2 T2

**Option B:** M’L’T1

**Option C:** M’L’T2

**Option D:** M’L-‘T2

**Correct Answer: **M’L’T2 ✔

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**Option A:** cm4

**Option B:** kg-cm2

**Option C:** gm-cm2

**Option D:** gm-cm3

**Correct Answer: **gm-cm2 ✔

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**Option A:** Newton and watt

**Option B:** Dyne and erg

**Option C:** Newton and joule

**Option D:** kg-wt and joule

**Correct Answer: **Newton and joule ✔

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**Option A:** 1346.3 kN and 1500 kN

**Option B:** 1436.2 kN and 1250 kN

**Option C:** 1346.3 kN and 1250 kN

**Option D:** 1436.2 kN and 1500 kN

**Correct Answer: **1346.3 kN and 1250 kN ✔

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**Option A:** force-displacement diagram

**Option B:** force-time diagram

**Option C:** velocity-time diagram

**Option D:** velocity-displacement diagram

**Correct Answer: **force-time diagram ✔

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**Option A:** energy

**Option B:** momentum

**Option C:** torque

**Option D:** impulse

**Correct Answer: **energy ✔

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**Option A:** nature of surfaces only

**Option B:** area of contact only

**Option C:** both (A) and (B)

**Option D:** none of the above

**Correct Answer: **nature of surfaces only ✔

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**Option A:** only (1)

**Option B:** only (2)

**Option C:** both (1) and (2)

**Option D:** both (1) and (3)

**Correct Answer: **both (1) and (2) ✔

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**Option A:** circular

**Option B:** parabolic

**Option C:** catenary

**Option D:** cubic parabola

**Correct Answer: **parabolic ✔

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**Option A:** parabola

**Option B:** catenary

**Option C:** cycloid

**Option D:** ellipse

**Correct Answer: **parabola ✔

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**Option A:** 1/3

**Option B:** 2/3

**Option C:** 1/9

**Option D:** 8/9

**Correct Answer: **8/9 ✔

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**Option A:** 1/4

**Option B:** 2/3

**Option C:** 3/4

**Option D:** 4/3

**Correct Answer: **3/4 ✔

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**Option A:** g

**Option B:** gsinG

**Option C:** g cos 6

**Option D:** g tan 6

**Correct Answer: **g ✔

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**Option A:** 3/4

**Option B:** 4/5

**Option C:** 5/3

**Option D:** 3/5

**Correct Answer: **3/5 ✔

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**Option A:** 20 m/sec

**Option B:** 30 m/sec

**Option C:** 40 m/sec

**Option D:** 50 m/sec

**Correct Answer: **30 m/sec ✔

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**Option A:** 2 m/sec and 2 m/sec

**Option B:** 3 m/sec and 2 m/sec

**Option C:** 3 m/sec and 3 m/sec

**Option D:** 4 m/sec and 6 m/sec

**Correct Answer: **3 m/sec and 2 m/sec ✔

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**Option A:** 0.1 rad/sec

**Option B:** 1 rad/sec

**Option C:** 10 rad/sec

**Option D:** 100 rad/sec

**Correct Answer: **0.1 rad/sec ✔

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**Option A:** less than 50%

**Option B:** more than 50%

**Option C:** more than 66.67%

**Option D:** equal to 100%

**Correct Answer: **more than 50% ✔

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**Option A:** one force only

**Option B:** one couple only

**Option C:** one force and one couple only

**Option D:** none of the above

**Correct Answer: **one couple only ✔

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**Option A:** any copianar force system

**Option B:** a system of parallel forces only

**Option C:** concurrent copianar force system

**Option D:** non-concurrent copianar force system

**Correct Answer: **concurrent copianar force system ✔

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**Option A:** vector diagram

**Option B:** space diagram

**Option C:** force diagram

**Option D:** funicular diagram

**Correct Answer: **space diagram ✔

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**Option A:** vertical ordinate of funicular polygon

**Option B:** vertical ordinate of the arch

**Option C:** intercept between the arch axis and the funicular polygon

**Option D:** none of these

**Correct Answer: **intercept between the arch axis and the funicular polygon ✔

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**Option A:** shear force

**Option B:** resultant force

**Option C:** bending moment

**Option D:** equilibrium

**Correct Answer: **bending moment ✔

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**Option A:** howe truss

**Option B:** king post truss

**Option C:** fink truss

**Option D:** warren truss

**Correct Answer: **fink truss ✔

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**Option A:** zero

**Option B:** 1

**Option C:** 2

**Option D:** infinity

**Correct Answer: **infinity ✔

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**Option A:** be in equilibrium

**Option B:** always reduce to a resultant force

**Option C:** always reduce to a couple

**Option D:** both (A) and (C)

**Correct Answer: **always reduce to a resultant force ✔

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**Option A:** trusses only

**Option B:** beam only

**Option C:** rigid frames only

**Option D:** any type of structure

**Correct Answer: **trusses only ✔

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**Option A:** only the closure of force polygon is sufficient

**Option B:** only the closure of funicular polygon is sufficient

**Option C:** both force polygon and funicular polygon must close

**Option D:** none of the above

**Correct Answer: **both force polygon and funicular polygon must close ✔

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**Option A:** that polygon of forces must close

**Option B:** that resultant couple must be zero

**Option C:** both (A) and (B)

**Option D:** none of the above

**Correct Answer: **both (A) and (B) ✔

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**Option A:** one specified point

**Option B:** two specified points

**Option C:** three specified points

**Option D:** more than three specified points

**Correct Answer: **three specified points ✔

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**Option A:** distance scale

**Option B:** force scale

**Option C:** mass scale

**Option D:** time scale

**Correct Answer: **force scale ✔

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**Option A:** can be obtained by graphic statics

**Option B:** cannot be obtained by graphic statics

**Option C:** may be obtained by graphic statics

**Option D:** can be obtained by graphic statics by trial and error

**Correct Answer: **cannot be obtained by graphic statics ✔

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**Option A:** method of joint

**Option B:** method of section

**Option C:** either method

**Option D:** none of the two methods

**Correct Answer: **method of joint ✔

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**Option A:** triangle

**Option B:** open polygon

**Option C:** closed polygon

**Option D:** parallelogram

**Correct Answer: **closed polygon ✔

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**Option A:** force polygon closes

**Option B:** funicular polygon closes

**Option C:** both force polygon” and funicular polygon close

**Option D:** all the forces are concurrent

**Correct Answer: **both force polygon” and funicular polygon close ✔

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**Option A:** isolated joint with only body forces acting on it

**Option B:** isolated joint with internal forces acting on it

**Option C:** isolated joint with all the forces, internal as well as external, acting on it

**Option D:** none of the above

**Correct Answer: **isolated joint with all the forces, internal as well as external, acting on it ✔

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**Option A:** 50 and 75

**Option B:** 75 and 50

**Option C:** 75 and 75

**Option D:** 50 and 50

**Correct Answer: **50 and 75 ✔

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**Option A:** 15 m/sec

**Option B:** 25 m/sec

**Option C:** 40 m/sec

**Option D:** 50 m/sec

**Correct Answer: **25 m/sec ✔

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**Option A:** 0.5 m

**Option B:** 0.75 m

**Option C:** 1.0 m

**Option D:** 1.5 m

**Correct Answer: **0.75 m ✔

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**Option A:** 9.81 Newton – metre

**Option B:** 1 Newton – metre

**Option C:** 1 kg wt – metre

**Option D:** 1 dyne – metre

**Correct Answer: **1 Newton – metre ✔

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**Option A:** —rad/sec 10

**Option B:** —rad/sec 20

**Option C:** —rad/sec 30

**Option D:** none of the above

**Correct Answer: **—rad/sec 30 ✔

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**Option A:** 3/8

**Option B:** 1/2

**Option C:** 9/5

**Option D:** 5/8

**Correct Answer: **5/8 ✔

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**Option A:** never meet

**Option B:** meet after 1 sec

**Option C:** meet after 5 sec

**Option D:** meet after 10 sec

**Correct Answer: **meet after 10 sec ✔

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**Option A:** 2/3

**Option B:** 1/5

**Option C:** 3/5

**Option D:** 1/3

**Correct Answer: **1/5 ✔

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**Option A:** supports

**Option B:** quarter span

**Option C:** mid span

**Option D:** none of the above

**Correct Answer: **supports ✔

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**Option A:** horizontal thrust

**Option B:** support reactions

**Option C:** resultant of horizontal thrust and support reaction

**Option D:** half the weight of the cable

**Correct Answer: **horizontal thrust ✔

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**Option A:** y = c cosh x/c

**Option B:** y = c sinh x/c

**Option C:** y = c tan x/c

**Option D:** y = c sin”1 x/c

**Correct Answer: **y = c cosh x/c ✔

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**Option A:** S = C tan q>

**Option B:** S = C cos cp

**Option C:** S = C sin cp

**Option D:** S = C cot <p

**Correct Answer: **S = C tan q> ✔

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## A heavy ladder resting on floor and against a vertical wall may not be in equilibrium if__________?

**Option A:** floor is smooth and wall is rough

**Option B:** floor is rough and wall is rough

**Option C:** both floor and wall are rough

**Option D:** both floor and wall are smooth

**Correct Answer: ** ✔

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**Option A:** 1 kg-wt

**Option B:** 9.81 kg-wt

**Option C:** 981 dyne

**Option D:** 1/9.81 kg-wt

**Correct Answer: **1 kg-wt ✔

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**Option A:** M’L2T2

**Option B:** M’L’T3

**Option C:** M’L’r2

**Option D:** M’L-‘T*

**Correct Answer: **M’L’T3 ✔

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**Option A:** 1

**Option B:** g

**Option C:** 1/g

**Option D:** none of the above

**Correct Answer: **g ✔

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**Option A:** 1

**Option B:** 100

**Option C:** 1/100

**Option D:** 1/10000

**Correct Answer: **1 ✔

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**Option A:** M-‘L2r2

**Option B:** M-‘L3r2

**Option C:** M-2L3T2

**Option D:** M’L3T2

**Correct Answer: **M-‘L3r2 ✔

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**Option A:** 105 dyne

**Option B:** 106 dyne

**Option C:** 107 dyne

**Option D:** 981 dyne

**Correct Answer: **105 dyne ✔

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**Option A:** zero

**Option B:** maximum

**Option C:** minimum

**Option D:** varying

**Correct Answer: **zero ✔

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**Option A:** a cube resting on one edge

**Option B:** a smooth cylinder lying on a curved surface

**Option C:** a smooth cylinder lying on a convex surface

**Option D:** none of the above

**Correct Answer: **none of the above ✔

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**Option A:** a simple harmonic motion

**Option B:** a rectilinear motion with constant speed

**Option C:** a damped oscillatory motion

**Option D:** none of the above

**Correct Answer: **a simple harmonic motion ✔

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**Option A:** 4.5 J

**Option B:** 9.0 J

**Option C:** 12.0 J

**Option D:** 18.0 J

**Correct Answer: **9.0 J ✔

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**Option A:** proportional to A

**Option B:** proportional to A2

**Option C:** proportional to 1/A2

**Option D:** independent of A

**Correct Answer: **proportional to A ✔

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