The shafts are designed on the basis of a. strength and rigidity. b. ductility. c. malleablility. d. resilience.

The shafts are designed on the basis of  
a. strength and rigidity.
b. ductility.
c. malleablility.
d. resilience.
by

1 Answer

Answer :

a. strength and rigidity.
by

Related questions

.The shafts are designed on the basis of (a) Rigidity (b) Strength (c) Both of these (d) Either of these

Description : .The shafts are designed on the basis of (a) Rigidity (b) Strength (c) Both of these (d) Either of these

Last Answer : (c) Both of these

The shafts will have same strength on the basis of torsional rigidity, if (a) diameter and length of both shafts is same (b) material of both shafts is same (c) angle of twist for both shafts is same (d) all of above conditions are satisfied

Description : The shafts will have same strength on the basis of torsional rigidity, if (a) diameter and length of both shafts is same (b) material of both shafts is same (c) angle of twist for both shafts is same (d) all of above conditions are satisfied

Last Answer : (d) all of above conditions are satisfied

Which of the following is incorrect? a. In torsion equation, we use mean torque b. In torsion equation, we use maximum torque c. Many shafts are designed under combined bending and torsion load d. Shafts are also designed for torsional rigidity

Description : Which of the following is incorrect? a. In torsion equation, we use mean torque b. In torsion equation, we use maximum torque c. Many shafts are designed under combined bending and torsion load d. Shafts are also designed for torsional rigidity

Last Answer : a. In torsion equation, we use mean torque

In the relation ( T/J = Gθ/L = τ/ R), the letter G denotes modulus of ______ a. elasticity b. plasticity c. rigidity d. resilience

Description : In the relation ( T/J = Gθ/L = τ/ R), the letter G denotes modulus of ______ a. elasticity b. plasticity c. rigidity d. resilience

Last Answer : c. rigidity

Flexible shafts have ______ rigidity in bending moment. a) High b) Low c) Very high d) Extremely low

Description : Flexible shafts have ______ rigidity in bending moment. a) High b) Low c) Very high d) Extremely low

Last Answer : b) Low

Flexible shafts have ___ rigidity in torsion making them flexible. a) Low b) High c) Very high d) Infinitely small

Description : Flexible shafts have ___ rigidity in torsion making them flexible. a) Low b) High c) Very high d) Infinitely small

Last Answer : b) High

Percentage elongation during tensile test is indication of (a) Ductility (b) Malleability (c) Creep (d) Rigidity

Description : Percentage elongation during tensile test is indication of (a) Ductility (b) Malleability (c) Creep (d) Rigidity

Last Answer : (a) Ductility

The shafts will have same strength on the basis of torsional rigidity, if (A) Diameter and length of both shafts is same (B) Material of both shafts is same (C) Angle of twist for both shafts is same (D) All of above conditions are satisfied

Description : The shafts will have same strength on the basis of torsional rigidity, if (A) Diameter and length of both shafts is same (B) Material of both shafts is same (C) Angle of twist for both shafts is same (D) All of above conditions are satisfied

Last Answer : (D) All of above conditions are satisfied

A transmission shaft subjected to bending loads must be designed on the basis of (a) maximum normal stress theory (b) maximum shear stress theory (c) maximum normal stress and maximum shear stress theories (d) fatigue strength

Description : A transmission shaft subjected to bending loads must be designed on the basis of (a) maximum normal stress theory (b) maximum shear stress theory (c) maximum normal stress and maximum shear stress theories (d) fatigue strength

Last Answer : (a) maximum normal stress theory

A hollow shaft of 1 m length is designed to transmit a power of 30 kW at 700 rpm. The maximum permissible angle of twist in the shaft is 1o. The inner diameter of the shaft is 0.7 times the outer diameter. The modulus of rigidity is 80 GPa. The outside diameter (in mm) of the shaft is _______. (a) 43 to 45 (b) 50to 60 (c) 70 to 80 (d) 85 to 100

Description : A hollow shaft of 1 m length is designed to transmit a power of 30 kW at 700 rpm. The maximum permissible angle of twist in the shaft is 1o. The inner diameter of the shaft is 0.7 times the outer diameter. The modulus of ... shaft is _______. (a) 43 to 45 (b) 50to 60 (c) 70 to 80 (d) 85 to 100

Last Answer : (a) 43 to 45

Calculate the shaft diameter on rigidity basis if torsional moment is 196000N-mm, length of shaft is 1000mm. Permissible angle of twist per meter is 0.5’ and take G=79300N/mm². a) None of the listed b) 41.2mm c) 35.8mm d) 38.8mm

Description : Calculate the shaft diameter on rigidity basis if torsional moment is 196000N-mm, length of shaft is 1000mm. Permissible angle of twist per meter is 0.5’ and take G=79300N/mm². a) None of the listed b) 41.2mm c) 35.8mm d) 38.8mm

Last Answer : b) 41.2mm

While designing shaft on the basis of torsional rigidity, angle of twist is given by? a) 100Ml/Gd⁴ b) 584Ml/Gd⁴ c) 292 Ml/Gd⁴ d) 300 Ml/Gd⁴

Description : While designing shaft on the basis of torsional rigidity, angle of twist is given by? a) 100Ml/Gd⁴ b) 584Ml/Gd⁴ c) 292 Ml/Gd⁴ d) 300 Ml/Gd⁴

Last Answer : b) 584Ml/Gd⁴

Two shafts will have equal strength, if (a) diameter of both the shafts is same (b) angle of twist of both the shafts is same (c) material of both the shafts is same (d) twisting moment of both the shafts is same

Description : Two shafts will have equal strength, if (a) diameter of both the shafts is same (b) angle of twist of both the shafts is same (c) material of both the shafts is same (d) twisting moment of both the shafts is same

Last Answer : d) twisting moment of both the shafts is same

For same weight, same material, same length a. Solid shaft is always stronger than a hollow shaft b. Solid shaft is always weaker than a hollow shaft and strength ratio will depend upon Do/Di of hollow shaft c. Strength of both the shafts in equal d. Strength of a solid shaft is always weaker and the strength ratio will depend upon Do/Di of hollow shaft

Description : For same weight, same material, same length a. Solid shaft is always stronger than a hollow shaft b. Solid shaft is always weaker than a hollow shaft and strength ratio will depend upon Do/Di of ... of a solid shaft is always weaker and the strength ratio will depend upon Do/Di of hollow shaft

Last Answer : b. Solid shaft is always weaker than a hollow shaft and strength ratio will depend upon Do/Di of hollow shaft

Two shafts in torsion will have equal strength if a. Only diameter of the shafts is same b. Only angle of twist of the shaft is same c. Only material of the shaft is same d. Only torque transmitting capacity of the shaft is same

Description : Two shafts in torsion will have equal strength if a. Only diameter of the shafts is same b. Only angle of twist of the shaft is same c. Only material of the shaft is same d. Only torque transmitting capacity of the shaft is same

Last Answer : d. Only torque transmitting capacity of the shaft is same

The percentage elongation and the percentage reduction in area depends upon (a) Tensile strength of the material (b) Ductility of the material (c) Toughness of the material (d) None of these

Description : The percentage elongation and the percentage reduction in area depends upon (a) Tensile strength of the material (b) Ductility of the material (c) Toughness of the material (d) None of these

Last Answer : B

The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the (A) Resilience (B) Toughness (C) Ductility (D) Impact strength

Description : The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the (A) Resilience (B) Toughness (C) Ductility (D) Impact strength

Last Answer : (A) Resilience

The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called (A) Resilience (B) Toughness (C) Ductility (D) Impact strength

Description : The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called (A) Resilience (B) Toughness (C) Ductility (D) Impact strength

Last Answer : (A) Resilience

Strength of a shaft a. Is equal to maximum shear stress in the shaft at the time of elastic failure b. Is equal to maximum shear stress in the shaft at the time of rupture c. Is equal to torsional rigidity d. Is ability to resist maximum twisting moment

Description : Strength of a shaft a. Is equal to maximum shear stress in the shaft at the time of elastic failure b. Is equal to maximum shear stress in the shaft at the time of rupture c. Is equal to torsional rigidity d. Is ability to resist maximum twisting moment

Last Answer : d. Is ability to resist maximum twisting moment

Resilience of spring is (a) Strain energy per unit length (b) Strain energy per unit area (c) Strain energy per unit mass (d) None

Description : Resilience of spring is (a) Strain energy per unit length (b) Strain energy per unit area (c) Strain energy per unit mass (d) None

Last Answer : (d) None

eaf springs are designed on the basis of (a) Maximum bending stresses (b) Maximum deflection (c) Maximum bending as well as maximum deflection (d) None

Description : eaf springs are designed on the basis of (a) Maximum bending stresses (b) Maximum deflection (c) Maximum bending as well as maximum deflection (d) None

Last Answer : (c) Maximum bending as well as maximum deflection

A open helical spring under axial torque is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None

Description : A open helical spring under axial torque is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None

Last Answer : d) None

A closed helical spring under axial torque is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None

Description : A closed helical spring under axial torque is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None

Last Answer : (c) Bending

A closed helical spring under axial load is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None

Description : A closed helical spring under axial load is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None

Last Answer : (a) Shear

A carriage spring is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None

Description : A carriage spring is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None

Last Answer : (c) Bending

A beam is designed on the basis of a. Maximum bending moment b. Minimum shear force. c.Maximum bending moment as well as for maximum shear force d. None.

Description : A beam is designed on the basis of a. Maximum bending moment b. Minimum shear force. c.Maximum bending moment as well as for maximum shear force d. None.

Last Answer : c.Maximum bending moment as well as for maximum shear force

A beam is designed on the basis of a. Maximum deflection. b.Minimum deflection c.Maximum slope d.None.

Description : A beam is designed on the basis of a. Maximum deflection. b.Minimum deflection c.Maximum slope d.None.

Last Answer : a. Maximum deflection.

A power transmitting ductile material shaft under P, T and M will be designed on the basis of (a) Rankine theory (b) Guest Theory (c) Haigh theory (d) None

Description : A power transmitting ductile material shaft under P, T and M will be designed on the basis of (a) Rankine theory (b) Guest Theory (c) Haigh theory (d) None

Last Answer : (b) Guest Theory

A spring is designed for (a) Higher strength (b) Higher deflection (c) Higher stiffness (d) None

Description : A spring is designed for (a) Higher strength (b) Higher deflection (c) Higher stiffness (d) None

Last Answer : (b) Higher deflection

Actual stress in the bolts of a flanged coupling of a shaft will be (a) More than the designed strength (b) Less than the designed strength (c) Neither more nor less than the designed strength (d) None

Description : Actual stress in the bolts of a flanged coupling of a shaft will be (a) More than the designed strength (b) Less than the designed strength (c) Neither more nor less than the designed strength (d) None

Last Answer : (b) Less than the designed strength

A shaft is designed for (a) Strength alone (b) Stiffness alone (c) Both for strength and stiffness (d) None

Description : A shaft is designed for (a) Strength alone (b) Stiffness alone (c) Both for strength and stiffness (d) None

Last Answer : (c) Both for strength and stiffness

In shafts with keyways the allowable stresses are usually ------------ proportional to the twisting moment. a.25% b. 50% c. 75% d. 95%

Description : In shafts with keyways the allowable stresses are usually ------------ proportional to the twisting moment. a.25% b. 50% c. 75% d. 95%

Last Answer : c. 75%

Solid shafts are used in epicyclic gearboxes. a) True b) False

Description : Solid shafts are used in epicyclic gearboxes. a) True b) False

Last Answer : b) False

The design of shafts made of brittle materials is based on (a) Guest’s theory (b) Rankine’s theory (c) St. Venant’s theory (d) Von Mises Theory

Description : The design of shafts made of brittle materials is based on (a) Guest’s theory (b) Rankine’s theory (c) St. Venant’s theory (d) Von Mises Theory

Last Answer : (b) Rankine’s theory

Two shafts A and B are made of the same material. The diameter of the shaft A is twice as that of shaft B. The power transmitted by the shaft A will be ........... of shaft B. (a) twice (b) four times (c) eight times (d) sixteen times

Description : Two shafts A and B are made of the same material. The diameter of the shaft A is twice as that of shaft B. The power transmitted by the shaft A will be ........... of shaft B. (a) twice (b) four times (c) eight times (d) sixteen times

Last Answer : (c) eight times

The ratio of strengths of solid to hollow shafts, both having outside diameter D and hollow having inside diameter D/2, in torsion, is a.1/4 b. 1/2 c. 1/16 d. 15/16

Description : The ratio of strengths of solid to hollow shafts, both having outside diameter D and hollow having inside diameter D/2, in torsion, is a.1/4 b. 1/2 c. 1/16 d. 15/16

Last Answer : d. 15/16

Which of the following act on shafts? a) Torsional moment b) Bending Moment c) Both torsional and bending d) None of the mentioned

Description : Which of the following act on shafts? a) Torsional moment b) Bending Moment c) Both torsional and bending d) None of the mentioned

Last Answer : c) Both torsional and bending

It is a secondary shaft used to counter the direction of main shaft. 81. Shafts are subjected to ______ forces. a) Compressive b) Tensile c) Shear d) twisting

Description : It is a secondary shaft used to counter the direction of main shaft. 81. Shafts are subjected to ______ forces. a) Compressive b) Tensile c) Shear d) twisting

Last Answer : b) Tensile

-For two shafts in parallel or for two concentric shafts a. T = T1 + T2 b. T = T1 = T2 c. T = T1 – T2 d. T = (T1.T2)^1/2

Description : -For two shafts in parallel or for two concentric shafts a. T = T1 + T2 b. T = T1 = T2 c. T = T1 – T2 d. T = (T1.T2)^1/2

Last Answer : a. T = T1 + T2

For two shafts in series or having different diameters for two parts of length a. T = T1 + T2 b. T = T1 = T2 c. T = T1 – T2 d. T = (T1.T2)^1/2

Description : For two shafts in series or having different diameters for two parts of length a. T = T1 + T2 b. T = T1 = T2 c. T = T1 – T2 d. T = (T1.T2)^1/2

Last Answer : b. T = T1 = T2

For same length, same material, same length a. Weight of solid shaft is less than weight of hollow shaft b. Weight of solid shaft is more than weight of hollow shaft c. Weight of hollow and solid shafts will be same d. Sometime more sometime less

Description : For same length, same material, same length a. Weight of solid shaft is less than weight of hollow shaft b. Weight of solid shaft is more than weight of hollow shaft c. Weight of hollow and solid shafts will be same d. Sometime more sometime less

Last Answer : b. Weight of solid shaft is more than weight of hollow shaft

The following option is correct a. There is neither advantage nor disadvantage in transmitting power at high speed b. There is advantage in transmitting power at high speeds c. There is disadvantage in transmitting power at high speeds d. There is advantage in transmitting power at high speed provided shafts are made of high speed steel

Description : The following option is correct a. There is neither advantage nor disadvantage in transmitting power at high speed b. There is advantage in transmitting power at high speeds c. There is ... There is advantage in transmitting power at high speed provided shafts are made of high speed steel

Last Answer : b. There is advantage in transmitting power at high speeds

The shafts are made of a. mild steel b. alloy steel c. copper alloys d. cast iron.

Description : The shafts are made of a. mild steel b. alloy steel c. copper alloys d. cast iron.

Last Answer : d. cast iron.

For two shafts joined in parallel, the --------------- in each shaft is same. a. shear stress. b. Angle of twist c. torque d. torsional stress.

Description : For two shafts joined in parallel, the --------------- in each shaft is same. a. shear stress. b. Angle of twist c. torque d. torsional stress.

Last Answer : b. Angle of twist

For two shafts joined in series, the --------------- in each shaft is same. a. shear stress. b. Angle of twist c. torque d. torsional stress.

Description : For two shafts joined in series, the --------------- in each shaft is same. a. shear stress. b. Angle of twist c. torque d. torsional stress.

Last Answer : c. torque

Ratio of diameters of two shafts joined in series is 2. If the two shafts have the same material and the same length the ratio of their shear stresses is a. 2 b. 4 c. 8 d. 16

Description : Ratio of diameters of two shafts joined in series is 2. If the two shafts have the same material and the same length the ratio of their shear stresses is a. 2 b. 4 c. 8 d. 16

Last Answer : c. 8

Ratio of diameters of two shafts joined in series is 2. If the two shafts have the same material and the same length the ratio of their angles of twist is a. 2 b. 4 c. 8 d. 16

Description : Ratio of diameters of two shafts joined in series is 2. If the two shafts have the same material and the same length the ratio of their angles of twist is a. 2 b. 4 c. 8 d. 16

Last Answer : d. 16

The relation governing the torsional torque in circular shafts is a. T/r=τ/l=Gθ/J b. T/J=τ/r=Gθ/l c. T/J=τ/l=Gθ/r d. T/l=τ/r=Gθ/J

Description : The relation governing the torsional torque in circular shafts is a. T/r=τ/l=Gθ/J b. T/J=τ/r=Gθ/l c. T/J=τ/l=Gθ/r d. T/l=τ/r=Gθ/J

Last Answer : b. T/J=τ/r=Gθ/l

The property of the material which allows it to be drawn into smaller section (a) Plasticity (b) Ductility (c) Elasticity (d) Malleability

Description : The property of the material which allows it to be drawn into smaller section (a) Plasticity (b) Ductility (c) Elasticity (d) Malleability

Last Answer : (b) Ductility

The property of a material by which it can be drawn to a smaller section by applying a tensile load is called (a) Elasticity (b) Plasticity (c) Ductility (d) Malleability

Description : The property of a material by which it can be drawn to a smaller section by applying a tensile load is called (a) Elasticity (b) Plasticity (c) Ductility (d) Malleabilityy

Last Answer : (c) Ductility