inversely proportional to H3/2
directly proportional to H3/2
inversely proportional to H5/2
directly proportional
✅ The correct answer is option D.
Mechanical Engineering MCQs
A framed structure is imperfect, if the number of members are __________ (2j – 3).
equal to
less than
greater than
either (b) or (c)
✅ The correct answer is option D.
The engine oil is stored in __________ when the engine is not running.
oil pan
cylinder head
oil pump
separate oil tank
✅ The correct answer is option A.
A machine which is capable of doing work in the reversed direction, after the effort is removed, is called a non-reversible machine.
Yes
No
✅ The correct answer is option B.
In a framed structure, as shown in the below figure, the force in the member AB is __________ the force in member AC.
half
equal to
double
✅ The correct answer is option A.
Aluminium has low density and addition of silicon improves its fluidity and therefore, its castability.
Correct
Incorrect
✅ The correct answer is option A.
In induction hardening, the depth of hardening is controlled by controlling the voltage.
Correct
Incorrect
✅ The correct answer is option A.
During cooling and dehumidification, dry bulb temperature
remains constant
increases
decreases
✅ The correct answer is option C.
The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by
P + Q
P – Q
P / Q
Q / P
✅ The correct answer is option B.
The grade of grinding wheel depends upon
hardness of the material being ground
speed of wheel and work
condition of grinding machine
all of these
✅ The correct answer is option D.