Category: Machine Design

A. 3 mm
B. 5 mm
C. 10 mm
D. 20 mm
E. 25 mm

A. dynamic loading
B. static loading
C. combined static and dynamic loading
D. completely reversed loading
E. all of the above

A. increases the fatigue strength
B. decreases the fatigue strength
C. has no influence on fatigue strength
D. alone has no influence on fatigue strength
E. none of the above

A. screw jack
B. aeroplane engines
C. crane
D. steering mechanism
E. bench vice

A. ZN/p
B. p/ZN
C. Z/pN
D. N/Zp
E. Zp/N

A. 40°
B. 122°
C. 136°
D. 152°
E. 161°.

A. tension
B. shear
C. compression
D. all of the above
E. none of the above

A. has a head on one end and a nut fitted to the other
B. has head at one end and other end fits into a tapped hole in the other part to be joined
C. has both the ends threaded
D. has pointed threads
E. requires locking nuts

A. metric
B. square
C. buttress
D. acme
E. BSW

A. combined loading
B. fatigue
C. thermal stresses
D. wear and tear
E. shock loading