Home
About Us
Contact Us
Privacy Policy
Search
Home
→
Machine Design
→
If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by________________?
Related MCQs
In hydrostatic bearings __________?
The rated life of a bearing varies__________?
In V-belt drive, belt touches__________?
In cross or regular lay ropes__________?
If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to__________?
Basic hole is one__________?
For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in tension, if the height of nut (h) is approximately__________?
The resultant axial load on a bolt depends on__________?
When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at__________?
The connecting rod bolts are tightened up with initial tension greater than the external load so that__________?
The shock absorbing capacity of a bolt can be increased by__________?
If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited __________?
The connecting rod bolts are tightened up so that tightening stress __________?
Allen bolts are__________?
I.S. specifies following total number of grades of tolerances__________?
In composite or reverse laid ropes__________?
Basic shaft is one__________?
Whether any core is required in wire ropes__________?
In standard taper roller bearings, the angle of taper of outer raceway is__________?
Three different weights fall from a certain height under vacuum. They will take__________?
In oilness bearings__________?
Oil in journal bearing should be applied at the point where load is__________?
The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is__________?
Antifriction bearings are__________?
If two springs are in parallel then their overall stiffness will be__________?
Belt slip may occur due to__________?
When a close coiled helical spring is compressed, its wire is subjected to__________?
Spring stiffness is__________?
The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is__________?
Which of the following pipe joints would be suitable for pipes carrying steam__________?
The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for__________?
When a nut is tightened by plaping a washer below it, the bolt will be subjected to following type of loads__________?
The shear plane in case of bolts should__________?
The strap end of a connecting rod of steam engine is joined by__________?
In order to permit the thermal expansion/contraction of tubing, it should be__________?
Silver-based solder is used for__________?
Taper on the cotter and slot is provided__________?
The valve rod in a steam engine is connected to an eccentric rod by__________?
The draw of cotter need not exceed__________?
Taper usually provided on cotter is__________?
If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation__________?
Eye bolts are used for__________?
Fibrous fracture occurs in__________?
A key made from a cylindrical disc having segmental cross-section, is known as__________?
In order to obtain bolt of uniform strength__________?
The pitch of threads on a Jock nut in comparison to pitch of nut is__________?
Transverse fillet welded joints are designed for__________?
In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia of rivet d should be equal to__________?
The edges of a boiler plate are bevelled to an angle of__________?
Machine screws are__________?
A self locking screw has__________>
If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by________________?
A. ZN/p
B. p/ZN
C. Z/pN
D. N/Zp
E. Zp/N
Correct Answer:
ZN/p
✔
Last Updated:
January 27, 2019