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1 / 25
During solidification of a pure molten metal, the grains in the casting near the mould wall are
2 / 25
A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve
3 / 25
A stepper motor having a sensitivity of 300 steps per revolution and running at 2400 rpm, then find the required pulse rate
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The minimum value of anode current below which it must fall to completely turn-off the device is called as the
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In hydrostatics which of the following statements is False
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The following is not a conservative force
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According to Kirchhoff’s voltage law, the algebraic sum of all IR drops and emf in any closed loop of a network is always
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A man spinning in free space changes the shape of his body e.g. by spreading his arms or curling them up. By doing this, he can change his
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Coefficient of friction depends upon
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The product of either force of couple with the arm of the couple is called
11 / 25
Which of the following is a vector quantity?
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Frictional force encountered after commencement of motion is called
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Where voltage division problem arises
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To avoid commutation failure
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Where current division problem arises
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When the temperature of a solid metal increase
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During inelastic collision of two particles, which one of the following is conserved
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The “Jominy Test” is used to find
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Which of the following terminals does not belong to the MOSFET?
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A car accelerates on a horizontal road due to the force exerted by
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What is the difference of DC voltages in the adjoining Brushes?
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The process of reheating the martensitic steel to reduce its brittleness without any significant loss in its hardness is
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What is the effect of armature coils at points where brushes are located?
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Source transformation technique is mainly based on __________ law.
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The area under the curve of the gate characteristics of thyristor gives the