A. Determination of elastic constant
B. Detection of defects in metal
C. Measurement of material thickness
D. None of the above
Related Mcqs:
- The maximum thickness of the metal which can be welded using ultrasonic welding is _____________ mm ?
A. 0.5
B. 3
C. 10
D. 25 - Notched bar test is used for testing the _________________ of a material?
A. Impact strength
B. Endurance limit
C. Machinability
D. Corrosion resistance - __________________ fluid force is not considered in the Navier-Stokes equation?
A. Turbulent
B. Viscous
C. Gravity
D. Pressure - Which of the following low melting alloy containing bismuth and lead is used for electric fuse ?
A. Wood’s metal
B. Babbitt metal
C. Monel metal
D. Duralumin - Which of the following alloying elements is present in maximum percentage in high speed steel ?
A. Molybdenum
B. Chromium
C. Tungsten
D. Vanadium - Which of the following mainly decides the current to be employed is arc welding ?
A. Electrode size
B. Plate thickness
C. Voltage across the arc
D. Welded portion length - 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) - Electrostatic separation of minerals from each other is based on their differences in the following property ?
A. Densities
B. Magnetic permeabilities
C. Electrical conductivities
D. Hardness - Which of the following pairs is not correctly matched ?
A. Uranium – 233 : Fertile material
B. Binding energy : Mass defect
C. Scattering: Absorption cross-section
D. Number of nucleons : Mass number - Which of the following can be manufactured using powder metallurgy techniques ?
A. Brake linings
B. Bearings
C. Carbide tool tips
D. All A, B and C