601. A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is
3.53 kN
33.3 kN
35.3 kN
none of these
✅ The correct answer is option C.
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.
602. A flitched beam is used to
change the shape of the beam
effect the saving in material
equalise the strength in tension and compression
increase the cross-sec
✅ The correct answer is option C.
603. The length of a liquid stream while flowing over a weir __________ at the ends of the sill.
expands
does not change
contracts
✅ The correct answer is option C.
604. When a helical compression spring is cut into halves, the stiffness of the resulting spring will be
same
double
one-half
one-fourth
✅ The correct answer is option B.
605. When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite.
equal to
less than
more than
✅ The correct answer is option B.
606. The ratio of the discharge pressure to the inlet pressure of air is called
compression ratio
expansion ratio
compressor efficiency
volumetric efficiency
✅ The correct answer is option A.
607. The ratio of the largest load in a test to the original cross-sectional area of the test piece is called
elastic limit
yield stress
ultimate stress
breaking stress
✅ The correct answer is option C.
608. A connecting rod subjected to an axial load may buckle in the plane perpendicular to the plane of motion of the connecting rod.
Correct
Incorrect
✅ The correct answer is option A.
609. The specific fuel consumption per B.P. hour for a diesel engine is about
0.2 kg
0.25 kg
0.3 kg
0.35 kg
✅ The correct answer is option A.
610. The ratio of the inertia force to the gravity force is called Froude number.
Agree
Disagree
✅ The correct answer is option A.