Mechanical Engineering Mcqs

An ideal gas as compared to a real gas at very high pressure occupies_________________?

(A) more volume

(B) less volume

(C) same volume

(D) unpredictable behaviour

(D) no such correlation

Submitted By: Ali Uppal


The unit of energy in S.I. units is________________?

(A) watt

(B) joule

(C) joule/s

(D) joule/m

(D) joule m.

Submitted By: Ali Uppal


The unit of mass in S.I. units is ____________________?

(A) kilogram

(B) gram

(C) tonne

(D) quintal

(D) newton

Submitted By: Ali Uppal


Higher pairs are those which have_________________?

(A) point or line contact between the two elements when in motion

(B) surface contact between the two ele-ments when in motion

(C) elements of pairs not held together mechanically

(D) two elements that permit relative motion

(D) none of the above

Submitted By: Ali Uppal


A cam with a roller follower would con stitute following type of pair______________?

(A) lower pair

(B) higher pair

(C) open pair

(D) close pair

(D) cam pair

Submitted By: Ali Uppal


“Open pairs are those which have__________________?

(A) point or line contact between the two elements when in motion

(B) surface contact between the two ele-ments when in motion

(C) elements of pairs not held together mechanically

(D) two elements that permit relative motion

(D) none of the above

Submitted By: Ali Uppal


Hart mechanism has________________?

(A) eight links

(B) six links

(C) four links

(D) twelve links

(D) five links

Submitted By: Ali Uppal


Submitted By: Ali Uppal


The same volume of all gases would represent their____________________?

(A) densities

(B) specific weights

(C) molecular weights

(D) gas characteristic constants

(D) specific gravities

Submitted By: Ali Uppal


Boyle’s law i.e. pV = constant is applicable to gases under ___________________?

(A) all ranges of pressures

(B) only small range of pressures

(C) high range of pressures

(D) steady change of pressures

(D) atmospheric conditions

Submitted By: Ali Uppal