The shock absorbing capacity of bolts can be increased by a) Increasing the shank diameter b) Decreasing the length of shank portion of bolt c) Increase the shank diameter and decreasing the length of shank d) None of the listed

The shock absorbing capacity of bolts can be increased by

a) Increasing the shank diameter

b) Decreasing the length of shank portion of bolt

c) Increase the shank diameter and decreasing the length of shank

d) None of the listed
by

1 Answer

Answer :

d) None of the listed
by

Related questions

The shock absorbing capacity of a bolt can be increased by (A) Increasing stress in shank (B) Increasing stress in core diameter of threads (C) Decreasing stress in shank (D) Decreasing stress in core diameter of threads

Description : The shock absorbing capacity of a bolt can be increased by (A) Increasing stress in shank (B) Increasing stress in core diameter of threads (C) Decreasing stress in shank (D) Decreasing stress in core diameter of threads

Last Answer : (A) Increasing stress in shank

The shock absorbing capacity of a bolt can be increased by (A) Increasing shank diameter (B) Making shank diameter equal to core diameter of threads (C) Using castle nut in place of ordinary hexagonal nut (D) Using a washer

Description : The shock absorbing capacity of a bolt can be increased by (A) Increasing shank diameter (B) Making shank diameter equal to core diameter of threads (C) Using castle nut in place of ordinary hexagonal nut (D) Using a washer

Last Answer : (B) Making shank diameter equal to core diameter of threads

The shock absorbing capacity of bolt can be increased by making the shank diameter ________ the root diameter. a) Lesser than b) Equal to c) Greater than d) No effect

Description : The shock absorbing capacity of bolt can be increased by making the shank diameter ________ the root diameter. a) Lesser than b) Equal to c) Greater than d) No effect

Last Answer : b) Equal to

The shear plane in case of bolts should (a) be across threaded portion of shank (b) be parallel to axis of bolt (c) be normal to threaded portion of shank (d) never be across the threaded portion (e) none of the above.

Description : The shear plane in case of bolts should (a) be across threaded portion of shank (b) be parallel to axis of bolt (c) be normal to threaded portion of shank (d) never be across the threaded portion (e) none of the above.

Last Answer : (d) never be across the threaded portion

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

Resilience of a bolt can be increased by increasing its (A) Length (B) Shank diameter (C) Head diameter (D) None of these

Description : Resilience of a bolt can be increased by increasing its (A) Length (B) Shank diameter (C) Head diameter (D) None of these

Last Answer : (A) Length

Shank is the portion of bolt between the head and the thread. a) True b) False

Description : Shank is the portion of bolt between the head and the thread. a) True b) False

Last Answer : a) True

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

When a nut is tightened by placing a washer below it, the shank of bolt is subjected to (A) Direct shear stress (B) Torsional shear stress (C) Tensile stress (D) Compressive stress

Description : When a nut is tightened by placing a washer below it, the shank of bolt is subjected to (A) Direct shear stress (B) Torsional shear stress (C) Tensile stress (D) Compressive stress

Last Answer : (C) Tensile stress

Which of the following is not a function of washer? a) Distributes load over a large area of clamped parts b) Provides bearing surface over large clearance bolts c) Prevents marring of the bolt head and nut surface d) Helps in locking of the fastener

Description : Which of the following is not a function of washer? a) Distributes load over a large area of clamped parts b) Provides bearing surface over large clearance bolts c) Prevents marring of the bolt head and nut surface d) Helps in locking of the fastener

Last Answer : d) Helps in locking of the fastener

The connecting rod bolts are tightened up with the initial tension greater than external load so that (A) Failure of bolt will be static (B) The resultant load on bolt will not be affected by external cyclic load (C) The bolt will not fail by fatigue although the external load is fluctuating (D) All the three

Description : The connecting rod bolts are tightened up with the initial tension greater than external load so that (A) Failure of bolt will be static (B) The resultant load on bolt will not be affected by ... ) The bolt will not fail by fatigue although the external load is fluctuating (D) All the three

Last Answer : (D) All the three

If the length of the shank is doubled, then strain energy absorbed by shank a) Doubles b) Remains same c) Increases 4 time d) Become half

Description : If the length of the shank is doubled, then strain energy absorbed by shank a) Doubles b) Remains same c) Increases 4 time d) Become half

Last Answer : a) Doubles

The sensitivity of a bubble tube can be increased by (A) Increasing the diameter of the tube (B) Decreasing the length of bubble (C) Increasing the viscosity of liquid (D) Decreasing the radius of curvature of tube

Description : The sensitivity of a bubble tube can be increased by (A) Increasing the diameter of the tube (B) Decreasing the length of bubble (C) Increasing the viscosity of liquid (D) Decreasing the radius of curvature of tube

Last Answer : (A) Increasing the diameter of the tube

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 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

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

If number of coils are 8 and wire diameter of spring 3mm, then solid length is given by? a) None of the listed b) 27mm c) 24mm d) 21mm

Description : If number of coils are 8 and wire diameter of spring 3mm, then solid length is given by? a) None of the listed b) 27mm c) 24mm d) 21mm

Last Answer : c) 24mm

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

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

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

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

If core diameter of bolt is 13.8cm the it’s nominal diameter is given by? a) 17.27mm b) 15.34mm c) 14.67mm d) 16.34mm

Description : If core diameter of bolt is 13.8cm the it’s nominal diameter is given by? a) 17.27mm b) 15.34mm c) 14.67mm d) 16.34mm

Last Answer : a) 17.27mm

Which type of screw fasteners are threaded through out its length? a. Cap screws b. Set screws c. Studs d. Tap bolt

Description : Which type of screw fasteners are threaded through out its length? a. Cap screws b. Set screws c. Studs d. Tap bolt

Last Answer : b. Set screws

Jam nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut (C) A slot is cut in the middle of nut along the length and a cap screw is provided to tighten the two parts of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Description : Jam nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and ... parts of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Last Answer : (A) A smaller nut is tightened against main nut creating friction at the contacting surface

Castle nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut (C) A slot is cut in the middle of nut along the length and a cap screw is provided to tighten the two parts of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Description : Castle nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and ... of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Last Answer : (B) A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut

In cold riveting like hot riveting shank is subjected to majorly tensile stress. a) True b) False

Description : In cold riveting like hot riveting shank is subjected to majorly tensile stress. a) True b) False

Last Answer : b) False

The range of a particular Rotameter can be increased by (A) Use of floats of different densities (B) No means (C) Increasing the diameter of the float (D) Decreasing the diameter of the float

Description : The range of a particular Rotameter can be increased by (A) Use of floats of different densities (B) No means (C) Increasing the diameter of the float (D) Decreasing the diameter of the float

Last Answer : (A) Use of floats of different densities

The shaft is always stepped with ________ diameter at the middle portion and __________ diameter at the shaft ends. a) Minimum, maximum b) Maximum, minimum c) Minimum, minimum d) Zero, infinity

Description : The shaft is always stepped with ________ diameter at the middle portion and __________ diameter at the shaft ends. a) Minimum, maximum b) Maximum, minimum c) Minimum, minimum d) Zero, infinity

Last Answer : b) Maximum, minimum

The shaft is always stepped with ________ diameter at the middle portion and __________ diameter at the shaft ends. a) Minimum, maximum b) Maximum, minimum c) Minimum, minimum d) Zero, infinity

Description : The shaft is always stepped with ________ diameter at the middle portion and __________ diameter at the shaft ends. a) Minimum, maximum b) Maximum, minimum c) Minimum, minimum d) Zero, infinity

Last Answer : b) Maximum, minimum

Which of the following are functions of flywheel? a) Store and release energy during work cycle b) Reduce power capacity of the electric motor c) Reduce amplitude of speed fluctuations d) All of the listed

Description : Which of the following are functions of flywheel? a) Store and release energy during work cycle b) Reduce power capacity of the electric motor c) Reduce amplitude of speed fluctuations d) All of the listed

Last Answer : d) All of the listed

In the expression of dynamic load capacity P=XVF(r) + YF(a), V stands for ? a) Race rotation factor b) Radial factor c) Thrust factor d) None of the listed

Description : In the expression of dynamic load capacity P=XVF(r) + YF(a), V stands for ? a) Race rotation factor b) Radial factor c) Thrust factor d) None of the listed

Last Answer : a) Race rotation factor

pecific energy requirement of rotary tillers can be reduce by a) Increasing the bite length b) Decreasing depth to diameter ratio c) Both (a) and (b) d) Excessive reduction in total power requirement

Description : pecific energy requirement of rotary tillers can be reduce by a) Increasing the bite length b) Decreasing depth to diameter ratio c) Both (a) and (b) d) Excessive reduction in total power requirement

Last Answer : c) Both (a) and (b)

Magnifying power of a simple microscope can be increased by ? A. increasing focal length of the lens B. Decreasing focal length of the lens (Answer) C. Lens of large aperture D. lens of short aperture E. None of these

Description : Magnifying power of a simple microscope can be increased by ? A. increasing focal length of the lens B. Decreasing focal length of the lens (Answer) C. Lens of large aperture D. lens of short aperture E. None of these

Last Answer : B. Decreasing focal length of the lens (Answer)

The seed rate can be increased by a) Decreasing the exposure length b) Increasing the exposure length c) Increasing speed d) Decreasing speed Ans. b

Description : The seed rate can be increased by a) Decreasing the exposure length b) Increasing the exposure length c) Increasing speed d) Decreasing speed Ans. b

Last Answer : ans b

Which of the following statements are true about eccentrically loaded circular base? a) All bolts are symmetrically spaced with equal angle on either side of vertical b) Bolts are not preloaded c) Bearing is rigid d) Dowel pins are used to relieve stresses

Description : Which of the following statements are true about eccentrically loaded circular base? a) All bolts are symmetrically spaced with equal angle on either side of vertical b) Bolts are not preloaded c) Bearing is rigid d) Dowel pins are used to relieve stresses

Last Answer : a) All bolts are symmetrically spaced with equal angle on either side of vertical

Which of the following are good for parts that are seldom dismantled. a) Through Bolts b) Tap Bolts c) Studs d) Cannot be stated

Description : Which of the following are good for parts that are seldom dismantled. a) Through Bolts b) Tap Bolts c) Studs d) Cannot be stated

Last Answer : b) Tap Bolts

If there is no place to accommodate the nut, then one would choose the a) Through Bolts b) Tap Bolts c) Studs d) None of the mentioned

Description : If there is no place to accommodate the nut, then one would choose the a) Through Bolts b) Tap Bolts c) Studs d) None of the mentioned

Last Answer : b) Tap Bolts

The connecting rod bolts are tightened up so that the initial tightening stress (A) Approaches yield point (B) Approaches endurance limit (C) Approaches (yield point stress/factor of safety) (D) Approaches (endurance limit stress/factor of safety)

Description : The connecting rod bolts are tightened up so that the initial tightening stress (A) Approaches yield point (B) Approaches endurance limit (C) Approaches (yield point stress/factor of safety) (D) Approaches (endurance limit stress/factor of safety)

Last Answer : (A) Approaches yield point

Setscrews are (A) Similar to tap bolts except that a greater variety of shapes of heads are available (B) Slotted for screw driver and generally used with a nut (C) Used to prevent relative motion between parts (D) Similar to studs

Description : Setscrews are (A) Similar to tap bolts except that a greater variety of shapes of heads are available (B) Slotted for screw driver and generally used with a nut (C) Used to prevent relative motion between parts (D) Similar to studs

Last Answer : (C) Used to prevent relative motion between parts

Clamp coupling employ bolts. a) True b) False

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

Last Answer : a) True

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

Description : 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

Last Answer : (C) Key is the weakest component

Clamp coupling employ bolts. a) True b) False

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

Last Answer : a) True

If length of weld is l and leg h, then area of throat can be given by a) 0.707 hl b) 1.414hl c) hl d) None of the listed

Description : If length of weld is l and leg h, then area of throat can be given by a) 0.707 hl b) 1.414hl c) hl d) None of the listed

Last Answer : a) 0.707 hl

The length of each of the two equal sides of a parallel fillet weld is called a) Leg b) Throat c) Arm d) None of the listed

Description : The length of each of the two equal sides of a parallel fillet weld is called a) Leg b) Throat c) Arm d) None of the listed

Last Answer : a) Leg

Maximum shear stress in transverse fillet weld of leg h and length l is a) P/hl b) 1.21P/hl c) P/1.21hl d) None of the listed

Description : Maximum shear stress in transverse fillet weld of leg h and length l is a) P/hl b) 1.21P/hl c) P/1.21hl d) None of the listed

Last Answer : b) 1.21P/hl

A force 2P is acting on the double transverse fillet weld. Leg of weld is h and length l. Determine the shear stress in a plane inclined at θ with horizontal. a) PSinθ(Sinθ+Cosθ)/hl b) P(Sinθ+Cosθ)/hl c) Pcosθ(Sinθ+Cosθ)/hl d) None of the listed

Description : A force 2P is acting on the double transverse fillet weld. Leg of weld is h and length l. Determine the shear stress in a plane inclined at θ with horizontal. a) PSinθ(Sinθ+Cosθ)/hl b) P(Sinθ+Cosθ)/hl c) Pcosθ(Sinθ+Cosθ)/hl d) None of the listed

Last Answer : a) PSinθ(Sinθ+Cosθ)/hl

Maximum shear stress in transverse fillet weld of leg h and length l is a) P/hl b) 1.21P/hl c) P/1.21hl d) None of the listed

Description : Maximum shear stress in transverse fillet weld of leg h and length l is a) P/hl b) 1.21P/hl c) P/1.21hl d) None of the listed

Last Answer : b) 1.21P/hl

A force 2P is acting on the double transverse fillet weld. Leg of weld is h and length l. Determine the shear stress in a plane inclined at θ with horizontal. a) PSinθ(Sinθ+Cosθ)/hl b) P(Sinθ+Cosθ)/hl c) Pcosθ(Sinθ+Cosθ)/hl d) None of the listed

Description : A force 2P is acting on the double transverse fillet weld. Leg of weld is h and length l. Determine the shear stress in a plane inclined at θ with horizontal. a) PSinθ(Sinθ+Cosθ)/hl b) P(Sinθ+Cosθ)/hl c) Pcosθ(Sinθ+Cosθ)/hl d) None of the listed

Last Answer : a) PSinθ(Sinθ+Cosθ)/hl

Generally, first portion of a logistic curve for the population growth of a developing city, represents the growth of (A) Increasing (B) Decreasing (C) Constant (D) All the above

Description : Generally, first portion of a logistic curve for the population growth of a developing city,  represents the growth of  (A) Increasing  (B) Decreasing  (C) Constant  (D) All the above 

Last Answer : (A) Increasing

In nut and bolt fastener, nut is generally held stationary while bolt is rotated. a) True b) False

Description : In nut and bolt fastener, nut is generally held stationary while bolt is rotated. a) True b) False

Last Answer : b) False