A. 20
B. 200
C. 500
D. 2000
Related Mcqs:
- 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 - If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a _____________ reactor?
A. Critical
B. Breeder
C. Fertile
D. Heterogeneous - Direct conversion of thermal energy to electrical energy is facilitated by the____________________?
A. Fuel cells
B. Photo voltaic cell
C. Magneto hydrodynamic generator
D. None of these - All the atoms of the world comprise of electrons, proton & neutron except that of ______________ atom in which neutron is absent ?
A. Deuterium
B. Hydrogen
C. Neon
D. Helium - One ton of refrigeration is not equivalent to the heat removal rate of ____________________?
A. 200 BTU/minute
B. 50 kcal/minute
C. 50 kJ/sec
D. 3.5 KW - Steels with high carbon equivalent have poor Weldability, because in these steels during welding________________?
A. Carbon and other alloying elements get oxidised from the weld pool
B. Excessive ferrite forms in the heat affected zone leading to poor toughness of the weld
C. Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld
D. Segregation of carbon and other element occurs in the weld pool leading to poor properties of
the weld - Thermal equivalent of electrical power in practical calculation is _______________ kcal/kWh ?
A. 746
B. 3000
C. 1000
D. 550 - Boiler draught of 10 mm water column is equivalent to_____________________?
A. 1 kgf/m2
B. 10 kgf/m2
C. 10 kgf/mm2
D. 1 kgf/mm2 - _____________________ of grey cast iron produces white cast iron?
A. Tempering
B. Rapid heating
C. Rapid cooling
D. Slow cooling - While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about _____________ °C ?
A. 1800
B. 2000
C. 2400
D. 3000
