amorphous material
mesomorphous material
crystalline material
none of these
✅ The correct answer is option A.
Mechanical Engineering MCQs
In order to double the period of a simple pendulum, the length of the string should be
halved
doubled
quadrupled
none of these
✅ The correct answer is option C.
In a high pressure compressor, the delivery pressure is
1 to 5 bar
5 to 8 bar
8 to 10 bar
10 to 15 bar
✅ The correct answer is option C.
The main function of a resonator is that it
regulates the intake air flow rate
reduces the intake air noise .
enhances intake efficiency
regulates the intake a
✅ The correct answer is option B.
A vapour absorption refrigerator uses __________ as a refrigerant.
water
ammonia
freon
aqua-ammonia
✅ The correct answer is option D.
A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is
2.89 kN
8.29 kN
9.28 kN
28.9 kN
✅ The correct answer is option B.
For a steel containing 0.8% carbon
there is no critical point
there is only one critical point
there are two critical points
there can be any numbe
✅ The correct answer is option B.
A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because
it is easier to see through the glass tube
glass tube is cheaper than a metallic tube
it is not possible to conduct this experiment with any other tube
all of the above
✅ The correct answer is option A.
The negative plates of a lead acid battery has
lead peroxide (PbO2)
spongy lead (Pb)
lead sulphate (PbSO4)
sulphuric acid (H2SO4)
✅ The correct answer is option B.
The portion of the blast furnace below its widest cross-section is called
hearth
stack
bosh
throat
✅ The correct answer is option C.