Mechanical Engineering Quiz

It is defined to be the sum of strains.

• Strain

• Elongation

• Dilatation

• Elasticity limit

A device used to connect two shafts together at their ends for the purpose of transmitting power.

• Clutches

• Couplings

• Belts

• Sprockets

It is a loop of flexible material used to link two or more rotating shafts mechanically, most often parallel.

• Belt

• Chains

• Gears

• Flywheel

A mechanical device which engages and disengages power transmission especially from driving shaft to driven shaft.

• Pressure vessels

• Rigid tank

• Flywheels

• Clutch

"UT TENSIO, SIC VIS" is known to be the:

• Amagat's Law

• Adogadro's Law

• Hooke's Law

• Varignon's Theorem

A spherical shell of 1.8 m of outside diameter and 1.725 m inside diameter contains helium at a pressure of 10.4 MPa. Compute the stress in the shell.

• 250 Mpa

• 120 Mpa

• 125 Mpa

• 100 Mpa

Hold gases or liquids at a pressure substantially different from the ambient pressure.

• Pressure vessels

• Rigid tank

• Flywheels

• Brakes

A 1200 mm cast iron pulley is fastened to 112.5 mm shaft by means of a 28.13 mm square key 175 mm long. The key and shaft have a shearing stress of 14000 psi. Determine the force acting at the pulley that will shear the key.

• 10050 kg

• 15010 kg

• 10015 kg

• 12050 kg

A spline connection 8 x 50 x 60 is used for gear and shaft. If the coefficient of friction is 0.10 and the Normal force is 50 kN, determine the force needed to slide the splines axially under load.

• 5 kN

• 5.5 kN

• 6 kN

• 7 kN

A thin-walled cylinder is 15 inches in diameter. The internal fluid pressure in this cylinder is 150 psi. The wall thickness is 0.125 in. Find the induced stress in the cylinder wall.

• 5000 psi

• 9000 psi

• 8500 psi

• 9000 kPa