3031. Bronze is an alloy of
copper and zinc
copper and tin
copper, tin and zinc
none of these
✅ The correct answer is option B.
Mechanical Engineering
Prepare with the best Mechanical Engineering MCQs with answers and explanations for exams, interviews, and job tests. Our collection covers core topics such as engineering mechanics, thermodynamics, strength of materials, theory of machines, fluid mechanics, heat transfer, manufacturing processes, machine design, and power plant engineering. These Mechanical Engineering multiple-choice questions are designed for students, fresh graduates, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and recruitment assessments. Strengthen your technical knowledge and problem-solving ability with our updated and comprehensive Mechanical Engineering MCQs.
3032. The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, because
whole of the mechanism in the Ackerman steering gear is on the back of the front wheels
the Ackerman steering gear consists of turning pairs
the Ackerman steering gear is most economical
both (a) and (b)
✅ The correct answer is option D.
3033. A tensile test is performed on a round bar. After fracture, it has been found that the diameter remains approximately same at fracture. The material under test was
mild steel
cast iron
glass
copper
✅ The correct answer is option B.
3034. The maximum deflection of a cantilever beam of length l with a point load W at the free end is
✅ The correct answer is option A.
3035. The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)
✅ The correct answer is option B.
3036. The diaphragm moulding machine is used to
ram the sand harder at the pattern face with decreasing hardness towards the back of the mould
ram the sand harder at the back of the mould and softer on the pattern face
produce uniform packing of sand in the mould
give uniform sand hard
✅ The correct answer is option D.
3037. A bolt has
threads for the nut at one end and head at the other end
head at one end and the other end fits into a tapped hole of one of the parts to be fastened
threads at both ends
pointed threads
✅ The correct answer is option A.
3038. A venturiflume is used to measure
pressure of liquid
discharge of liquid
pressure difference between two points in a channel
pressure difference be
✅ The correct answer is option B.
3039. When a body is placed over a liquid, it is subjected to gravitational force and upthrust of the liquid.
TRUE
FALSE
✅ The correct answer is option A.
3040. The cutting speed is zero at the periphery and it is maximum at the centre of the drill.
Yes
No
✅ The correct answer is option B.