A machine started malfunctioning due to some issues with the coupling. The coupling emplaced in the machine was Oldham. The only coupling available in the workshop is Hooke’s coupling. So Oldham coupling can be replaced by Hooke’s coupling. a) True b) False

A machine started malfunctioning due to some issues with the coupling. The coupling emplaced in

the machine was Oldham. The only coupling available in the workshop is Hooke’s coupling. So

Oldham coupling can be replaced by Hooke’s coupling.

a) True

b) False
by

1 Answer

Answer :

b) False
by

Related questions

A machine started malfunctioning due to some issues with the coupling. The coupling emplaced in the machine was Oldham. The only coupling available in the workshop is Hooke’s coupling. So Oldham coupling can be replaced by Hooke’s coupling. a) True b) False

Description : A machine started malfunctioning due to some issues with the coupling. The coupling emplaced in the machine was Oldham. The only coupling available in the workshop is Hooke’s coupling. So Oldham coupling can be replaced by Hooke’s coupling. a) True b) False

Last Answer : b) False

Oldham coupling i used to connect two shafts having intersecting axes. a) True b) False

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Oldham coupling i used to connect two shafts having intersecting axes. a) True b) False

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If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the diameter of each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m. Permissible tensile stress is 80N/mm2. a) 27mm b) 25mm c) 23mm d) 21mm

Description : If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the diameter of each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m. Permissible tensile stress is 80N/mm2. a) 27mm b) 25mm c) 23mm d) 21mm

Last Answer : a) 27mm

If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the tensile force on each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m. a) 51234.4N b) 45968.3N c) 41666.7N d) None of the listed

Description : If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the tensile force on each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m. a) 51234.4N b) 45968.3N c) 41666.7N d) None of the listed

Last Answer : c) 41666.7N

Oldham coupling is used to connect two shafts A. Which are perfectly aligned B. Which are not in exact alignment C. Which have lateral misalignment D. Whose axes intersect at a small angle

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If shaft diameter is 30mm and number of pins emplaced are 6, then the diameter of the pin will be? a) 6.4mm b) 5.6mm c) 6.1mm d) 5.9mm

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Universal coupling is rigid types coupling. A. True B. False

Description : Universal coupling is rigid types coupling. A. True B. False

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Flange coupling is rigid types coupling. A. True B. False

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Universal coupling is rigid types coupling. A. True B. False

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Entire torque is transmitted by friction in the clamp coupling. a) True b) False

Description : Entire torque is transmitted by friction in the clamp coupling. a) True b) False

Last Answer : b) False

Clamp coupling employ bolts. a) True b) False

Description : Clamp coupling employ bolts. a) True b) False

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A coupling is a mechanical device that temporarily joins two rotating shafts to each other. a) True b) False

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Shaft is rotating machine element. A. True B. False

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While designing a flange coupling, care is taken so that (A) Shaft is the weakest component (B) Bolts are the weakest component (C) Key is the weakest component (D) The flange is the weakest component

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Last Answer : (C) Key is the weakest component

The split - pin is used in... A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint

Description : The split - pin is used in... A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint

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The joints between link of a suspension bridge, which of the following joints used.. A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint

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To joining the links of a bicycle chain which of the following joint is used. A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint

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Forked - pin joints is also called as... A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint

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The valve rod connected in steam engine by using.. A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint

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Calculate the force acting on the each pin in flexible coupling if torque transmitted is 397N-m and PCD=120mm with number of pins 6. a) 1400.3N b) 1102.8N c) 1320.3N d) None of the listed

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Find the shear stress in a flange at the junction of hub in rigid flanged coupling if torsional moment is 2980N-m and diameter of hub being 125mm. Also the thickness of flange is 25mm. a) 6.77N/mm2 b) 10.24N/mm2 c) 4.84N/mm2 d) 4.22N/mm2

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If shaft diameter is 60mm, how many bolts are recommended for rigid flange coupling? a) 2 b) 3 c) 4 d) 5

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If shaft diameter is 40mm, calculate the length of sleeves in clamp coupling. a) 80mm b) 140mm c) 100mm d) 120mm

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If shaft diameter is 40mm, calculate the diameter of sleeves in clamp coupling. a) 100mm b) 80mm c) 60mm d) 40mm

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Does shaft has to be shifted i axial direction to remove clamp coupling. a) Yes b) No

Description : Does shaft has to be shifted i axial direction to remove clamp coupling. a) Yes b) No

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A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and height of the key being 14mm and 80mm respectively. Find the compressive stress induced in the key. a) 70.1 N/mm2 b) 51.6N/mm2 c) 45.5N/mm2 d) None of the listed

Description : A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and height of the key being 14mm and 80mm respectively. Find the compressive stress induced in the key. a) 70.1 N/mm2 b) 51.6N/mm2 c) 45.5N/mm2 d) None of the listed

Last Answer : b) 51.6N/mm2

A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and breadth of the key being 14mm and 80mm respectively. Find the shear stress induced in the key. a) 30.2N/mm2 b) 25.8N/mm2 c) 34.4N/mm2 d) None of the listed

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Last Answer : b) 25.8N/mm2

A flange coupling is used to connect two shafts A. Which are perfectly aligned B. Which are not in exact alignment C. Have lateral misalignment D. Whose axes intersect at a small angle

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A universal coupling is used to connect two shafts A. Which are not in exact alignment B. Which are perfectly aligned C. Whose axes intersect at a small angle D. Have lateral misalignment

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Muff coupling is designed as a ......... A. Thick cylinder B. Thin cylinder C. Solid shaft D. Hollow shaft

Description : Muff coupling is designed as a ......... A. Thick cylinder B. Thin cylinder C. Solid shaft D. Hollow shaft

Last Answer : D. Hollow shaft

Flange coupling is ............ types of coupling. A. Flexible B. Rigid

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Universal coupling is ............ types of coupling. A. Flexible B. Rigid

Description : Universal coupling is ............ types of coupling. A. Flexible B. Rigid

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In case of clamp coupling, power is transmitted by means of, (A) Friction force (B) Shear resistance (C) Crushing resistance (D) None of the above

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A bushed-pin type flange coupling is used (A) For intersecting shafts (B) When the shafts are not in exact alignment (C) For small shafts rotating at slow speeds (D) For parallel shafts

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Last Answer : (B) When the shafts are not in exact alignment

If shaft diameter is 60mm, how many bolts are recommended for rigid flange coupling? a) 2 b) 3 c) 4 d) 5

Description : If shaft diameter is 60mm, how many bolts are recommended for rigid flange coupling? a) 2 b) 3 c) 4 d) 5

Last Answer : c) 4

If shaft diameter is 40mm, calculate the length of sleeves in clamp coupling. a) 80mm b) 140mm c) 100mm d) 120mm

Description : If shaft diameter is 40mm, calculate the length of sleeves in clamp coupling. a) 80mm b) 140mm c) 100mm d) 120mm

Last Answer : b) 140mm

If shaft diameter is 40mm, calculate the diameter of sleeves in clamp coupling. a) 100mm b) 80mm c) 60mm d) 40mm

Description : If shaft diameter is 40mm, calculate the diameter of sleeves in clamp coupling. a) 100mm b) 80mm c) 60mm d) 40mm

Last Answer : a) 100mm

Does shaft has to be shifted i axial direction to remove clamp coupling. a) Yes b) No

Description : Does shaft has to be shifted i axial direction to remove clamp coupling. a) Yes b) No

Last Answer : b) No

A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and breadth of the key being 14mm and 80mm respectively. Find the shear stress induced in the key. a) 30.2N/mm2 b) 25.8N/mm2 c) 34.4N/mm2 d) None of the listed

Description : A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and breadth of the key being 14mm and 80mm respectively. Find the shear stress induced in the key. a) 30.2N/mm2 b) 25.8N/mm2 c) 34.4N/mm2 d) None of the listed

Last Answer : b) 25.8N/mm2

In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft) (A) 2 d (B) 3 d (C) 4 d (D) 5 d

Description : In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft) (A) 2 d (B) 3 d (C) 4 d (D) 5 d

Last Answer : (B) 3 d

Stress concentration is defined as the localization of high stresses due to irregularities present in the component and no changes of the cross section. a) True b) False

Description : Stress concentration is defined as the localization of high stresses due to irregularities present in the component and no changes of the cross section. a) True b) False

Last Answer : b) False

Is use of a flywheel recommended when a large motor is required only for a small instant of time? a) True b) False

Description : Is use of a flywheel recommended when a large motor is required only for a small instant of time? a) True b) False

Last Answer : a) True