A. Mach
B. Froude
C. Reynolds
D. Euler
Related Mcqs:
- A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material ?
A. Steel
B. Glass
C. Rubber
D. Brass - Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young’s modulus, G = Modulus of rigidity or shear modulus v = Poisson’s ratio) ?
A. E = 2G (1 + v)
B. E = G (1 + v)
C. E = G (1 + v)/2
D. E = 2G (1 + 2v) - A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson’s ratio of the rod is___________________?
A. 0
B. 0.33
C. 0.44
D. 0.25 - The elastic strain in copper is due to the__________________?
A. Motion of dislocations
B. Stretching of atomic bonds
C. Breakage of atomic bonds
D. None of the above - If a solid is compressed adiabatically in its elastic range, its _____________ remains constant ?
A. Internal energy
B. Enthalpy
C. Entropy
D. Temperature - A compact estimate about the amount of materials handling between various work stations is obtained from the_____________________?
A. Gantt chart
B. Bin chart
C. String diagram
D. Travel chart - Which of the following forces does not act on a fluid at rest ?
A. Viscous force
B. Gravity force
C. Hydrostatic force
D. Surface tension force - The temperature at which ferromagnetic material can no longer be magnetized by the outside forces, is termed as the____________________?
A. Critical point
B. Curie temperature
C. Inversion temperature
D. Eutectic temperature - A solar cell converts the sunlight directly into ______________ energy?
A. Thermal
B. Electrical
C. Mechanical
D. Chemical - ______________ is not used as the control rod material in a nuclear reactor ?
A. Cobalt
B. Hafnium
C. Cadmium
D. Boron
