Related Questions
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If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.
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4
In practice, the compression ratio of compression-ignition (CI) engine ranges from
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4
Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per of steel strip.
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4
An atom bomb works on the principle of
C. Both the nuclear fission & fusion
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4
Tesla metre per ampere (T. m/A) is the unit for the measurement of
A. Magnetic susceptibility
C. Permeability of free space
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4
The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their
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4
Tip of the match stick contains a mixture of
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4
Metal shots used in shot blasting are made of
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The concentration of (H+) ions is 4 x 10-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6)
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4
Maximum permissible sulphur content in steel is __________ percent.
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Which of the following approaches the ideal gas behaviour most closely?
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When an isolated thermodynamic system executes a process,
B. Heat transfer takes place
C. Mass flow occurs across the boundary of the system
D. No chemical reaction takes place within the system
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Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type
A. Parallel flow with equal heat capacities
B. Counter flow with equal heat capacities
C. Counter flow with unequal heat capacities
D. Parallel flow with unequal heat capacities
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4
Temper brittleness of a material can be fairly detected by the __________ test.
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The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10-16 m2S-1 and it is 1.94 × 10-14 m2S- 1 at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is
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4
Laser welding is widely employed in the __________ industries.
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The co-ordination number in simple cubic structure is
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Consumable electrodes are used in the __________ welding.
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The refrigerant freon-12 is chemically
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The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature.
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Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of
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4
A thin, flat & square plate measuring 2 m × 2 m is freely hanging in ambient air at 25°C. It is exposed to the solar radiation falling on one side of the plate at the rate of 500 W/m2. The plate temperature will remain constant at 30°C, if the convective heat transfer co-efficient is __________ W/m2 °C.
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4
Window panes of aeroplanes are normally made of
C. Bakelite (phenol formaldehyde)
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A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec2 is
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4
Liquor poisoning generally occurs due to the presence of __________ in it.
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Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by
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4
__________ fluid force is not considered in the Navier-Stokes equation.
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A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to
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4
A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.
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Iron content in Indian iron ore is about __________ percent.