A. sleeve bearings
B. hydrodynamic bearings
C. thin lubricated bearings
D. ball and roller bearings
E. none of the above
Related Mcqs:
- In standard taper roller bearings, the angle of taper of outer raceway is___________________?
A. 5°
B. 8°
C. 15°
D. 25°
E. 40°. - In hydrostatic bearings ____________________?
A. the Oil film pressure is generated only by the rotation of the journal
B. the oil film is maintained by supplying oil under pressure
C. do not require external supply of lubricant
D. grease is used for lubrication
E. none of the above - Stress concentration in static loading is more serious in__________________?
A. ductile materials
B. brittle materials
C. equally serious in both cases
D. depends on other factors
E. unpredictable - Plastic flow in ductile materials_____________________?
A. increases the seriousness of static load-ing stress concentration
B. lessens the seriousness of static load¬ing stress concentration
C. has no effect on it
D. depends on other considerations
E. none of the above - Resistance to fatigue of a material is measured by________________?
A. Young’s modulus
B. coefficient of elasticity
C. elastic limit
D. ultimate tensile strength
E. endurance limit - The draw of cotter need not exceed_________________?
A. 3 mm
B. 5 mm
C. 10 mm
D. 20 mm
E. 25 mm - When a close coiled helical spring is compressed, its wire is subjected to________________?
A. tension
B. shear
C. compression
D. all of the above
E. none of the above - Basic hole is one_________________?
A. whose upper deviation is zero
B. whose lower deviation is zero
C. whose lower as well as upper deviations are zero
D. does not exist
E. none of the above - The piston rod of a steam engine is usually connected to the cross head by means of__________________?
A. bolted joint
B. kunckle joint
C. cotter joint
D. universal joint
E. universal coupling - Rivets are generally specified by_______________?
A. thickness of plates to be riveted
B. length of rivet
C. diameter of head
D. nominal diameter
E. all of the above
