A. Completely filled
B. Partially filled
C. Equally filled
D. Vacant
Related Mcqs:
- The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the ‘Curie temperature’. Its value for cobalt is ______________ °C?
A. 768
B. 1127
C. 1359
D. 1480 - Heating of ferromagnetic materials to a temperature above Curie temperature makes it ________________________?
A. Insulator for heat & electricity transmission
B. Ferritic
C. Behave like paramagnetic materials
D. Superconductor - 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 - Heat flow across a hollow sphere of inner radius ‘r1’ and outer radius ‘r2’ is directly proportional to__________________?
A. (r2 – r1)/r1. r2
B. r1. r2/(r2 – r1)
C. (r2 + r1)/r1. r2
D. r1. r2/(r2 + r1) - _______________ is the most important element, which controls the physical properties of steel ?
A. Manganese
B. Silicon
C. Carbon
D. Vanadium - Which of the following properties of a solid is not dependent on crystal imperfection ?
A. Ductility
B. Semi-conductivity
C. Melting point
D. Yield stress - Sub zero treatment of steel is done to____________________?
A. Suppress martensite transformation
B. Enhance its working performance in sub zero atmosphere
C. Reduce the retained austenite in hardened steel
D. Induce temper brittleness after its hardening - ____________________ are normally subjected to sub-zero treatment?
A. Highly stressed parts
B. Gauges or precision parts
C. Cold rolled sheets
D. Non machinable materials - _______________ number determines whether the fluid flow in an open channel is super-critical, critical or sub-critical ?
A. Mach
B. Reynolds
C. Froude
D. Weber - Dislocation cross-slip is difficult in those materials, which have___________________?
A. Large number of slip systems
B. High work hardening rate
C. Coarse grain size
D. Low stacking fault energy
