6. For bolts of uniform strength, the shank diameter is made equal to-

A. minor diameter of threads

B. major diameter of threads

C. pitch diameter of threads

D. nominal diameter of threads

View Answer/Explanation

Correct Answer is A

Read More- Theory of Machine Objective Questions

7. Let α = helix angle, ρc = circular pitch, then which one of the following correctly expresses the axial pitch of a helical gear-

A. ρc = cos α

B. ρc / cos α

C. ρc / tan α

D. ρc = sin α

View Answer/Explanation

Correct Answer is C

8. In a gib and cotter joint, the gib and cotter joint is subjected to-

A. single shear only

B. double shear only

C. single shear and crushing

D. double shear and crushing




View Answer/Explanation

Correct Answer is D

9. In a 6 × 20 wire rope, the number 6 indicates-

A. number of wires

B. gauge number of the wire

C. diameter of the wire rope in mm

D. number of the strands in the wire rope

View Answer/Explanation

Correct Answer is D

10. A shaft transmits 1000 kW of power at 100 rad/s. Then the torque transmitted in kN-m is-

A. 0.1

B. 1

C. 10

D. 100

View Answer/Explanation

Correct Answer is C

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