Description : A coupling is a mechanical device that temporarily joins two rotating shafts to each other. a) True b) False
Last Answer : b) False
Description : The real application of knuckle joint is used to connect three rods - two with forks and a third with the eye. A. True B. False
Last Answer : A. True
Description : The knuckle joint is used two joint between the tie bars in roof trusses. A. True B. False
Description : Knuckle Joint is used to connect the two rods whose axes are coincide or intersect and lies in the same plane. A. True B. False
Description : A knuckle joint is also called socket pin joint. a) True b) False
Description : Saddle key is transmit power or torque through friction resistant only A. True B. False
Description : Cotter joints is used for transforming rotating torque. A. True B. False
Last Answer : B. False
Description : Cotter joint is going to be use to connect the two rods for torque transmission purpose. a) True b) False
Description : Cotter joint can be used to connect two rods for torque transmission purpose. true /false. a) True b) False
Description : Cotter joint can be used to connect two rods for torque transmission purpose. a) True b) False
Description : Which one of the following parts of a ball bearing is mounted on the rotating shafts and tends to rotate the shaft? (a) Inner race (b) Outer race (c) Rolling element (d) Cage
Last Answer : (a) Inner race
Description : 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
Last Answer : (B) When the shafts are not in exact alignment
Description : The knuckle joint is used to connect the... A. Two roads whose Axes are coincide or intersecting and lies in single plane. B. Two roads whose Axes are coincide or intersecting and lies in multiple ... Two roads whose Axes are parallel or intersecting and lies in single plane. D. None of the above
Last Answer : A. Two roads whose Axes are coincide or intersecting and lies in single plane.
Description : Knuckle Joint can’t be used to connect two intersecting rods. a) Yes b) No, it can’t be used c) It can be used with some modificatios d) It is expensive and hence isn’t used
Last Answer : b) No, it can’t be used
Description : Within the external combination engine, a piston rod is usually connected to the cross head by means of....... A. Cotter joints B. Universal joints C. Knuckle joint D. Bearing
Last Answer : A. Cotter joints
Description : The knuckle joint is made up of... A. Cast iron B. stainless Steel C. Teflon D. All of the above
Last Answer : D. All of the above
Description : The split - pin is used in... A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint
Last Answer : B. Knuckle joint
Description : 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
Description : The diameter of knuckle pin in the knuckle joint is usually... A. 0.5 d B. 0.8 d C. 1.5 d D. d
Last Answer : D. d
Description : 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
Description : Which of the following are parts of knuckle joint. A. Eye B. Pin C.Fork D. All of the above
Description : Forked - pin joints is also called as... A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint
Description : The valve rod connected in steam engine by using.. A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint
Description : Maximum rod connecting limit by using knuckle joint is . A. 2 B. 3 C. 4 D. 5
Last Answer : B. 3
Description : In steam engine, the piston rod is usually connected to the cross head by means of a....... A. Cotter joints B. Universal joints C. Knuckle joint D. Bearing
Description : A knuckle joint can be used in valve mechanism of a reciprocating engine. a) Yes b) No c) Yes but there are stress probles d) No as it is very dangerous to use
Last Answer : a) Yes
Description : Which of the following are important parts of knuckle joint? a) Eye b) Pin c) Fork d) Each of the mentioned
Last Answer : d) Each of the mentioned
Description : A maximum of how many roads may be connected using a knuckle joint? a) 2 b) 3 c) 4 d) 5
Last Answer : b) 3
Description : Teflon can be used for manufacturing of knuckle joints. A. True B. False
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
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
Description : Two shafts A and B are made of same material. The diameter of shaft A is twice that of B. The torque transmitted by shaft A will be (A) Twice that of B (B) Four times that of B (C) Eight times that of B (D) Sixteen times that of B
Last Answer : (C) Eight times that of B
Description : Two shafts A and B are made of same material. The diameters of shaft A and B are dA and dB respectively. The ratio of torque transmitted by shaft A to that of shaft B will be (A) dA/dB- (B) (dA/dB-)2 (C) (dA/dB-)3 (D) (dA/dB-)4
Last Answer : (C) (dA/dB-)3
Description : Oldham coupling i used to connect two shafts having intersecting axes. a) True b) False
Description : Keyed joints never lead to stress concentration on shafts. a) True b) False
Description : Solid shafts are used in epicyclic gearboxes. a) True b) False
Description : When the torque required by the machine is more than the torque supplied by the motor, the flywheel is (A) Accelerated (B) Retarded (C) Rotating with constant speed (D) Any of the above
Last Answer : (B) Retarded
Description : Assertion (A): In hydrodynamic journal bearings, the rotating journal is held in floating condition by the hydrodynamic pressure developed in the lubricant. Reason (R): Lubricant flows in a converging-diverging channel. [IES-1994] ... A (c) A is true but R is false (d) A is false but R is true
Last Answer : (a) Both A and R are individually true and R is the correct explanation of A
Description : Assertion (A): In steady rotating condition the journal inside a hydrodynamic journal bearing remains floating on the oil film. [IES-2008] Reason (R): The hydrodynamic pressure developed in steady rotating conditions in journal ... A (c) A is true but R is false (d) A is false but R is true
Last Answer : (a) Both A and R are true and R is the correct explanation of A
Description : Shaft is rotating machine element. A. True B. False
Description : Entire torque is transmitted by friction in the clamp coupling. a) True b) False
Description : Axle is frequently used in torque transmission. a) True b) False
Description : Which of the following isn’t the property of a taper roller bearing? (a) High rigidity (b) Easy dismantling (c) Take low radial and heavy loads (d) It is unsuitable for high speed applications
Last Answer : (c) Take low radial and heavy loads