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Theory-of-machines Questions Set 17:

Quiz Mode

What is the product of the diametral pitch and circular pitch?

1/π

unity

zero

Solution:

If the radius of the crank is 10 cm, what is the stroke length?

10 cm

20 cm

0.1 cm

100 cm

Solution:

In the Otto cycle, which of the following is constant?

Pressure

Volume

Temperature

Enthalpy

Solution:

If an engine has a stroke length of 26 cm and operates at 400 rpm, what is the mean piston speed?

208 m/min

155 m/min

195 m/min

104 m/min

Solution:

In the combustion process of an engine, which of the following events takes place first?

Propagation of flame

Ignition lag

Exhaust

After-burning

Solution:

In a 4-bar linkage, if the lengths of the shortest, longest, and the other two links are denoted by s, l, p, and q, then the condition for Grashof's linkage is:

l + p < s + q

l + p = s + q

None of the above

l + s ≤ p + q

Solution:

Two links have angular velocities of 20 rad/s and 10 rad/s in opposite directions. If the radius of the pin at O is 10 mm, determine the rubbing velocity at the joint U where the two links are connected.

0.30 m/s

0.20 m/s

0.35 m/s

0.05 m/s

Solution:

The mass of the flywheel of a steam engine is 4250 kg with a radius of gyration of 1 m. The starting torque of the engine is 4500 N⋅m. What is the ^{angular acceleration} (rad/s²) of the flywheel?

1.05 rad/s^2

2.48 rad/s^2

2 rad/s^2

1.8 rad/s^2

Solution:

A horizontal bar 1.5 metres long and of small cross-section rotates about a vertical axis through one end. It accelerates uniformly from 1200 r.p.m. to 1500 r.p.m. in an interval of 5 seconds. What is the linear velocity at the beginning of the interval?

188.6 m/s

190 m/s

188.8 m/s

185 m/s

Solution:

Which of the following statements about the Slider Crank Mechanism is not true?

The application of the Second Inversion of the Slider Crank Mechanism is the Rotary Engine.

When we fix link 4 of the Slider Crank Mechanism, we obtain the mechanism of the Oscillating Cylinder Engine.

The application of the First Inversion of the Slider Crank Mechanism is the Reciprocating Engine.

None of the above.

Theory-of-machines Questions Set 17:

What is the product of the diametral pitch and circular pitch?

Solution:

If the radius of the crank is 10 cm, what is the stroke length?

Solution:

In the Otto cycle, which of the following is constant?

Solution:

If an engine has a stroke length of 26 cm and operates at 400 rpm, what is the mean piston speed?

Solution:

In the combustion process of an engine, which of the following events takes place first?

Solution:

In a 4-bar linkage, if the lengths of the shortest, longest, and the other two links are denoted by s, l, p, and q, then the condition for Grashof's linkage is:

Solution:

Two links have angular velocities of 20 rad/s and 10 rad/s in opposite directions. If the radius of the pin at O is 10 mm, determine the rubbing velocity at the joint U where the two links are connected.

Solution:

The mass of the flywheel of a steam engine is 4250 kg with a radius of gyration of 1 m. The starting torque of the engine is 4500 N⋅m. What is the ^{angular acceleration} (rad/s²) of the flywheel?

Solution:

A horizontal bar 1.5 metres long and of small cross-section rotates about a vertical axis through one end. It accelerates uniformly from 1200 r.p.m. to 1500 r.p.m. in an interval of 5 seconds. What is the linear velocity at the beginning of the interval?

Solution:

Which of the following statements about the Slider Crank Mechanism is not true?

Solution:

Related Question Sets:

Related Topics:

Theory-of-machines Questions Set 17:

What is the product of the diametral pitch and circular pitch?

Solution:

If the radius of the crank is 10 cm, what is the stroke length?

Solution:

In the Otto cycle, which of the following is constant?

Solution:

If an engine has a stroke length of 26 cm and operates at 400 rpm, what is the mean piston speed?

Solution:

In the combustion process of an engine, which of the following events takes place first?

Solution:

In a 4-bar linkage, if the lengths of the shortest, longest, and the other two links are denoted by s, l, p, and q, then the condition for Grashof's linkage is:

Solution:

Two links have angular velocities of 20 rad/s and 10 rad/s in opposite directions. If the radius of the pin at O is 10 mm, determine the rubbing velocity at the joint U where the two links are connected.

Solution:

The mass of the flywheel of a steam engine is 4250 kg with a radius of gyration of 1 m. The starting torque of the engine is 4500 N⋅m. What is the angular acceleration (rad/s2) of the flywheel?

Solution:

A horizontal bar 1.5 metres long and of small cross-section rotates about a vertical axis through one end. It accelerates uniformly from 1200 r.p.m. to 1500 r.p.m. in an interval of 5 seconds. What is the linear velocity at the beginning of the interval?

Solution:

Which of the following statements about the Slider Crank Mechanism is not true?

Solution:

Related Question Sets:

Related Topics:

The mass of the flywheel of a steam engine is 4250 kg with a radius of gyration of 1 m. The starting torque of the engine is 4500 N⋅m. What is the ^{angular acceleration} (rad/s²) of the flywheel?