increases
decreases
✅ The correct answer is option A.
Mechanical Engineering MCQs
A steel containing 0.8% carbon is known as
eutectoid steel
hyper-eutectoid steel
hypo-eutectqid steel
none of these
✅ The correct answer is option A.
When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a
screw pair
spherical pair
turning pair
sliding pair
✅ The correct answer is option D.
Turbulent flow takes place at high velocities.
Agree
Disagree
✅ The correct answer is option A.
The rivets are used for __________ fastenings.
permanent
temporary
✅ The correct answer is option A.
The catalysts are used to accelerate the chemical reaction during the process of ploymerisation of plastics.
TRUE
FALSE
✅ The correct answer is option A.
For a small scale industry, the fixed cost per month is Rs. 5000. The variable cost per product is Rs. 20 and sales price is Rs. 30 per piece. The break even production per month will be
300
460
500
1000
✅ The correct answer is option C.
The rate of heat flow through a body is . The term is known as temperature gradient.
Yes
No
✅ The correct answer is option A.
A process, in which the working substance neither receives nor gives out heat to its surroundings during its expansion or compression, is called
isothermal process
hyperbolic process
adiabatic process
polytropic process
✅ The correct answer is option C.