A. Atoms
B. Neutrons
C. Nucleons
D. Electrons
Related Mcqs:
- Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of _______________ gms of zinc per m2 of steel strip ?
A. 5-10
B. 1000-1500
C. 120-500
D. 1500-3000 - The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of ______________ mm ?
A. 0.001
B. 0.01
C. 0.002
D. 0.02 - Energy to be supplied to the radioactive nucleus for the emission of a neutron is ________________ MeV?
A. 0.8
B. 7.8
C. 200
D. 10000 - _______________ is the hardest oxide and is hence used where high wear resistance at high temperature is required?
A. Beryllium
B. Zirconia
C. Alumina
D. Magnesia - The excess air required for the combustion of pulverized coal is of the order of about _______________ percent ?
A. 5
B. 15
C. 30
D. 45 - 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 - Pressure required to increase the density of water by about 1% is ____________________ atmosphere?
A. 10
B. 50
C. 200
D. 1000 - Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________________ kJ ?
A. +4000
B. -4000
C. 10000
D. -10000 - Heat required to raise the temperature of a body by 1 °C is called its_______________?
A. Heat capacity
B. Specific heat capacity
C. Thermal conductivity
D. Water equivalent - If the head is doubled in & centrifugal pump, the power required will increase in the ratio of__________________?
A. 23
B. 23/2
C. 25/2
D. 21/3
