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Design Questions Set 12:

Quiz Mode

Which of the following mode(s) can cause failure in rivets?

Tensile

Shear

Compression

All of the above

Solution:

Which of the following forces act on shafts?

Torsional and bending moments

Torsional moment

Bending moment

None of the mentioned

Solution:

When brakes are applied on the front wheels of a car moving on a level road, find the retardation of the car.

[μ g (l-x)] / (l + μ h)

μ g

none of these

(μ g x) / (l - μ h)

Solution:

To avoid interference, the minimum number of teeth required on a helical pinion increases as the helix angle increases.

decreases

increases

does not affect

none of the above

Solution:

Which type of bearing should not be subject to a thrust load?

Deep groove ball bearing

Angular contact ball bearing

Single row tapered roller bearing

Cylindrical (straight) roller bearing

Solution:

A wrought iron bar 50 mm in diameter and 2.5 m long transmits a shock energy of 100 N-m. The maximum instantaneous stress is 90.3 N/mm². Find the elongation. Take E = 200 GN/m².

1.13 mm

2.03 mm

1.01 mm

1.10 mm

Solution:

Match the gear types in List-I with their corresponding functions in List-II. Select the correct answer using the code given below the lists:

A-4, B-2, C-1, D-3

A-3, B-2, C-4, D-1

A-3, B-4, C-2, D-1

A-2, B-1, C-3, D-4

Solution:

The virtual number of teeth on the pinion of a bevel gear is calculated using the formula:

zp / cos γg

(where zp = number of teeth on pinion, γp and γg = pitch cone angles)

zp / cos γp

zp / cos γg

zp / cos^2 γp

zp / cos^3 γp

Solution:

Find the diameter of a shaft with a length of 900 mm, given that the torsional moment is 186,000 N-mm, the permissible angle of twist per meter is 0.3 degrees, and the modulus of rigidity of the shaft material is 81,200 N/mm².

44.75 mm

41.36 mm

47.90 mm

49.98 mm

Solution:

Which of the following statements about the application of failure theories is true?

Maximum shear stress theory is applied to ductile material, and Maximum principal stress theory is applied to brittle material.

Maximum shear stress theory is applied to brittle material, and Maximum principal stress theory is applied to ductile material.

Both Maximum shear stress theory and Maximum principal stress theory are applied to brittle material.

Both Maximum shear stress theory and Maximum principal stress theory are applied to ductile material.

Design Questions Set 12:

Which of the following mode(s) can cause failure in rivets?

Solution:

Which of the following forces act on shafts?

Solution:

When brakes are applied on the front wheels of a car moving on a level road, find the retardation of the car.

Solution:

To avoid interference, the minimum number of teeth required on a helical pinion increases as the helix angle increases.

Solution:

Which type of bearing should not be subject to a thrust load?

Solution:

A wrought iron bar 50 mm in diameter and 2.5 m long transmits a shock energy of 100 N-m. The maximum instantaneous stress is 90.3 N/mm². Find the elongation. Take E = 200 GN/m².

Solution:

Match the gear types in List-I with their corresponding functions in List-II. Select the correct answer using the code given below the lists:

Solution:

The virtual number of teeth on the pinion of a bevel gear is calculated using the formula:

zp / cos γg

(where zp = number of teeth on pinion, γp and γg = pitch cone angles)

Solution:

Find the diameter of a shaft with a length of 900 mm, given that the torsional moment is 186,000 N-mm, the permissible angle of twist per meter is 0.3 degrees, and the modulus of rigidity of the shaft material is 81,200 N/mm².

Solution:

Which of the following statements about the application of failure theories is true?

Solution:

Related Question Sets:

Related Topics:

Design Questions Set 12:

Which of the following mode(s) can cause failure in rivets?

Solution:

Which of the following forces act on shafts?

Solution:

When brakes are applied on the front wheels of a car moving on a level road, find the retardation of the car.

Solution:

To avoid interference, the minimum number of teeth required on a helical pinion increases as the helix angle increases.

Solution:

Which type of bearing should not be subject to a thrust load?

Solution:

A wrought iron bar 50 mm in diameter and 2.5 m long transmits a shock energy of 100 N-m. The maximum instantaneous stress is 90.3 N/mm2. Find the elongation. Take E = 200 GN/m2.

Solution:

Match the gear types in List-I with their corresponding functions in List-II. Select the correct answer using the code given below the lists:

Solution:

The virtual number of teeth on the pinion of a bevel gear is calculated using the formula: zp / cos γg (where zp = number of teeth on pinion, γp and γg = pitch cone angles)

Solution:

Find the diameter of a shaft with a length of 900 mm, given that the torsional moment is 186,000 N-mm, the permissible angle of twist per meter is 0.3 degrees, and the modulus of rigidity of the shaft material is 81,200 N/mm2.

Solution:

Which of the following statements about the application of failure theories is true?

Solution:

Related Question Sets:

Related Topics:

A wrought iron bar 50 mm in diameter and 2.5 m long transmits a shock energy of 100 N-m. The maximum instantaneous stress is 90.3 N/mm². Find the elongation. Take E = 200 GN/m².

The virtual number of teeth on the pinion of a bevel gear is calculated using the formula:

zp / cos γg

(where zp = number of teeth on pinion, γp and γg = pitch cone angles)

Find the diameter of a shaft with a length of 900 mm, given that the torsional moment is 186,000 N-mm, the permissible angle of twist per meter is 0.3 degrees, and the modulus of rigidity of the shaft material is 81,200 N/mm².