ISRO Technical Assistant Mechanical Question Paper - 2019 (Set-2) with Answer Key

ISRO Technical Assistant Mechanical Question Paper - 2019 (Set-2) with Answer Key

41) A shaft of diameter D is subjected to a twisting moment (T) and a bending moment (M). If the maximum bending stress is equal to maximum shear stress developed, then M is equal to

Answer is:

T/2

42) The transverse fillet welded joints are designed for

Answer is:

Tensile strength

43) In straight polarity welding

Answer is:

Electrode holder is connected to the negative and work to positive

44) Two closely coiled helical springs "A'" and "B" are equal in all respects but the diameter of wire of spring "A" is double that of spring "B". The stiffness of spring "B" will be _____ that of spring "A".

Answer is:

One-Sixteenth

45) If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch of rivets is

Answer is:

0.5