A. 70 & 30
B. 30 & 70
C. 50 & 50
D. 90 & 10
Correct Answer: 70 & 30 ✔
Last Updated: February 10, 2019
Related MCQs
- Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses ?
- The excess air required for the combustion of pulverized coal is of the order of about __________ percent ?
- The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler ?
- Thermal conductivity of a material does not depend upon its__________?
- The type of pump used for lifting large quantity of sewage is a __________ pump ?
- Coating provided on the electrodes used in the arc welding is not expected to__________?
- Non-ferrous alloys used for making cutting tools need not have high__________?
- Transformer cores are normally made from __________?
- Pearlite comprises of__________?
- Spheroidising of a material is a/an __________ process?
- __________ number determines whether the fluid flow in an open channel is super-critical, critical or sub-critical ?
- Satellite is a __________ material?
- Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete oxidation of un-burnt hydrocarbons is__________?
- Cascade control is__________?
- For the irreversible reaction, Ca+ 2C = Ca C2 , Δ H°298 = – 60000 J . mole-1 . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be__________?
- Hardening of steel is not possible, unless it is heated __________ critical point ?
- Strain hardening effect in metals subjected to cold working is due to the __________ mechanism?
- Atomic __________ of an element is a whole number ?
- Which of the following heat treatment processes is usually applied to castings ?
- A material is capable of resisting softening at high temperature, because of its property termed as__________?
- When an isolated thermodynamic system executes a process __________?
- The main constituent of bones is __________?
- Which of the following alloying elements is present in maximum percentage in high speed steel ?
- Baffles provided on the shell side of a shell and tube heat exchanger are meant for __________?
- While the bin cards are used in the effective stores management, the queuing theory is associated with the __________ time ?
- __________ iron is produced by the annealing of white cast iron?
- With increase in impurities in metals, their corrosion resistances__________?
- In the blast furnace, incorporation of water vapour in the blast gives the following effect ?
- The product out from a cupola is called __________?
- The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the ‘Curie temperature’. Its value for cobalt is __________ °C?
- Super conduction in metals is observed at a temperature of __________ °K?
- Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body?
- Which of the following is the largest quantum of pressure ?
- Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at__________?
- In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is ?
- The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the__________?
- Hot working of lead is carried out at __________?
- The Al2O3 content of cryolite in Hall-Heroult cell is maintained between __________ percent ?
- Fatigue resistance of a material is measured by the __________?
- Ultimate strength in tension as compared to that in shear for steel is__________?
- Dry saturated steam can be converted into super heated steam by__________?
- Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog ?
- Dielectric__________?
- Enzymes belong to the category of__________?
- According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress ?
- Rankine cycle comprises of two isothermal and two __________ processes?
- Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs ?
- Alloy powder manufactured by the following process have spherical shapes ?
- Glycerine is used as a coolant in cooling of some engines instead of water, because__________?
- The product (s) of roasting of a sulphide ore is (are) ?
- A jig is used while __________ a hole?