Strength of Materials A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal metal is twice as dense as water density of metal can’t be determined metal is twice as dense as unknown fluid metal will float in water metal is twice as dense as water density of metal can’t be determined metal is twice as dense as unknown fluid metal will float in water ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is dependent on the materials of contact surface proportional to velocity of sliding proportional to normal load between the surfaces independent of the area of contact surfaces dependent on the materials of contact surface proportional to velocity of sliding proportional to normal load between the surfaces independent of the area of contact surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of power ? kg m/sec kcal/kg sec. hp (horse power) kW (kilowatt) kg m/sec kcal/kg sec. hp (horse power) kW (kilowatt) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The product of either force of couple with the arm of the couple is called resultant couple moment of the forces resulting couple moment of the couple resultant couple moment of the forces resulting couple moment of the couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following do not have identical dimensions? Momentum and impulse Torque and energy Torque and work Moment of a force and angular momentum Momentum and impulse Torque and energy Torque and work Moment of a force and angular momentum ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The coefficient of friction depends on nature of surface strength of surfaces shape of surfaces area of contact nature of surface strength of surfaces shape of surfaces area of contact ANSWER DOWNLOAD EXAMIANS APP
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