391. The eye bolts are used for
transmission of power
locking devices
lifting and transporting heavy machines
absorbing shocks and v
✅ The correct answer is option C.
Machine Design MCQs
392. In leaf springs, the longest leaf is known as
lower leaf
master leaf
upper leaf
none of these
✅ The correct answer is option B.
393. The included angle for the British Association thread is
29°
47.3°
55°
60°
✅ The correct answer is option B.
394. The included angle for the British standard whitworth thread is
29°
47.5°
55°
60°
✅ The correct answer is option C.
395. According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet by
0.5 mm upto rivet diameter of 24 mm
1 mm for rivet diameter from 27 mm to 36 mm
2 mm for rivet diameter from 39 mm to 48 mm
all of the above
✅ The correct answer is option C.
396. In static loading, stress concentration is more serious in
brittle materials
ductile materials
brittle as well as ductile materials
elastic materials
✅ The correct answer is option A.
397. In an ordinary bolt, the effect of the impulsive loads applied axially is concentrated on the cross-sectional area at the root of the threads.
Yes
No
✅ The correct answer is option A.
398. The maximum bending stress in a curved beam having symmetrical section always occur at the
centroidal axis
neutral axis
inside fibre
outside fibre
✅ The correct answer is option C.
399. Which of the following welded joint is designed for shear strength ?
Transverse fillet welded joint
Parallel fillet welded joint
Butt welded joint
all of these
✅ The correct answer is option B.
400. The edges of the boiler plates are bevelled to an angle of
45°
60°
70°
80°
✅ The correct answer is option D.