hoop stress
longitudinal stress
arithmetic mean of the hoop and the longitudinal stress
geometric mean of the
✅ The correct answer is option A.
Mechanical Engineering MCQs
The dedendum is the radial distance from the
pitch circle to the top of a tooth
pitch circle to the bottom of a tooth
top of a tooth to the bottom of a tooth
addendum circle to the
✅ The correct answer is option B.
The boiling point of ammonia is
-10.5°C
-30°C
-33.3°C
-77.7°C
✅ The correct answer is option C.
The velocity of flue gases (V) through the chimney under a static draught of(H’) metres is given by
V = 2g H’
V = 2g/H’
V = H’/2g
V = 2gH’
✅ The correct answer is option A.
A simply supported beam with a gradually varying load from zero at B and w per unit length at A is shown in the below figure. The shear force at B is equal to
wl/6
wl/3
wl
2 wl/3
✅ The correct answer is option A.
The overall efficiency of an impulse turbine is the ratio of the actual power produced by the turbine to the energy actually supplied by the turbine.
Yes
No
✅ The correct answer is option A.
An universal coupling is a type of __________ coupling.
rigid
flexible
✅ The correct answer is option B.
The freezing point of R-12 is
-86.6°C
-95.2°C
-107.7°C
-135.8°C
✅ The correct answer is option D.
The temperature at which tyre inflation pressure should be checked is
20°C
25°C
35°C
ambient temperature
✅ The correct answer is option D.
The commonly used antifreeze solution in automobiles is
carbon disulphide
ethylene glycol
ammonium chloride
freon-12
✅ The correct answer is option B.