A. one point
B. one plane
C. different planes
D. perpendicular planes
E. different points
Mechanical Engineering Mcqs
If a part is constrained to move and heated, it will develop ____________________?
A. principal stress
B. tensile stress
C. compressive stress
D. shear stress
E. no stress
The pressure angle of a cam depends upon___________________?
A. offset between centre lines of cam and follower
B. lift of follower
C. angle of ascent
D. sum of radii of base circle and roller follower
E. all of the above
Clapeyron equation is applicable for registration at___________________?
A. saturation point of vapor
B. saturation point of liquid
C. sublimation temperature
D. triple point
E. critical point
The unit of energy in S.I. units is________________?
A. watt
B. joule
C. joule/s
D. joule/m
E. joule m.
The value of the wavelength for maximum emissive power is given by ___________________?
A. Wien’s law
B. Planck’s law
C. Stefan’s law
D. Fourier’s law
E. Kirchhoff’s law
A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to___________________?
A. 25
B. 50
C. 100
D. 250
E. 500
Each fission of U235 produces following number of fast neutrons per fission________________?
A. 1 neutron
B. 1 — neutrons
C. 1 – 2 neutrons
D. 2 — neutrons
E. infinite
Pick up the wrong statement?
A. In a heterogeneous or solid-fuel reactor, the fuel is mixed in a regular pattern within moderator.
B. Slow or thermal neutrons have energy of the order or 0.025 eV
C. Fast neutrons have energies above 1000 eV
D. Fast reactor uses moderator
E. Most serious drawback in using water as coolant in nuclear plants is its high vapour pressure
The value of modulus of elasticity for mild steel is of the order of________________?
A. 2.1xl05 kg/cm2
B. 2.1 X 106 kg/cm2
C. 2.1 x 107 kg/cm2
D. 0.1 xlO6 kg/cm2 (<?) 3.8 x 106 kg/cm2
