Power is transmitted by an electric motor to a machine by using a belt drive. The tensions on the tight and slack side of the belt are 2200 N and 1000 N respectively and diameter of the pulley is 600 mm. If speed of the motor is 1500 r.p.m, find the power transmitted.

← Prev Question Next Question →

1 Answer

Related questions

+2 votes

1 answer

What power is transmitted by belt and pulley arrangement, if tension on tight side of belt is 60 kg and tension on slack side is 25kg. The diameter and speed of driving pulley is 0.95 m and 250 rpm respectively.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

Calculate the power transmitted by the belt and pulley arrangement, if tension on tight side of the belt is 50 kg and tension on slack side is 25 kg. The diameter and speed of driving pulley is 0.95 m and 350 rpm.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+2 votes

1 answer

A counter shaft of engineering workshop is being driven by electric motor with the help of canvas belt and pulley arrangement such that the speed of belt is 600 m/min and it transmits 50 KW. What will be the difference between tensions on either side of the belt?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

An electric motor drives a machine through a speed reducing gear of ratio 9:1. The motor armature, with its shaft and gear wheel, has moment of inertia 0.6 kg-m^2. The rotating part of the driven machine has moment of inertia 45 kg-m^2. The driven machine has resisting torque of 100 N-m and the efficiency of reduction gear is 95%. Find the power which the motor must develop to drive the machine at a uniform speed of 160 r.p.m.

asked Sep 23, 2022 in Machine Kinematics by Leo (38.0k points)

+1 vote

1 answer

Flywheel diameter 1.2 m; diameter of the rope 12.5 mm; engine speed 200 r.p.m.; dead load on the brake 600 N; spring balance reading 150 N. Using this data, calculate the brake power of the engine in kW.

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

+1 vote

1 answer

Flywheel diameter 1.2 m; diameter of the rope 12.5 mm; engine speed 400 r.p.m.; dead load on the brake 600 N; spring balance reading 150 N. Using this data, calculate the brake power of the engine in kW.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

+1 vote

1 answer

Flywheel diameter 1.2 m; diameter of the rope 12.5 mm; engine speed 100 r.p.m.; dead load on the brake 600 N; spring balance reading 150 N. Using this data, calculate the brake power of the engine in kW.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

+1 vote

1 answer

A countershaft of engineering workshop is driven by electric motor with the help of canvas belt and pulley arrangement such that the speed of bet is 600 m/min and it transmits 50 KW. Find the difference between tension on either side of the belt.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

The flywheel of an engine has a mass of 200 kg and radius of gyration equal to 1 m. The average torque on the flywheel is 1200 Nm. Find the angular acceleration of flywheel and the angular speed after 10 seconds starting from rest.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

+1 vote

1 answer

A uniform disc of diameter 300 mm and of mass 5 kg is mounted on one end of an arm of length 600 mm. The other end of the arm is free to rotate in a universal bearing. If the disc rotates about the arm with a speed of 300 r.p.m. clockwise, looking from the front, with what speed will it precess about the vertical axis?

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

+1 vote

1 answer

A centrifugal Watt governor is fitted with two balls, each of mass 2.5 kg. Find the height of the governor, when it is running at 75 r.p.m.

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

+1 vote

1 answer

A single plate clutch, with both sides effective, has outer and inner diameters 300 mm and 200 mm respectively. The maximum intensity of pressure at any point in the contact surface is not to exceed 0.1 N/mm^2. If the coefficient of friction is 0.3, determine the power transmitted by a clutch at a speed 2500 r.p.m.

asked Sep 25, 2022 in Machine Kinematics by Leo (38.0k points)

+1 vote

1 answer

A multiple disc clutch has five plates having four pairs of active friction surfaces. If the intensity of pressure is not to exceed 0.127 N/mm^2, find the power transmitted at 500 r.p.m. The outer and inner radii of friction surfaces are 125 mm and 75 mm respectively. Assume uniform wear and take coefficient of friction = 0.3.

asked Sep 24, 2022 in Machine Kinematics by Leo (38.0k points)

+1 vote

1 answer

If the crank and the connecting rod are 600 mm and 2 m long respectively and the crank rotates at a constant speed of 250 r.p.m, determine maximum velocity of the piston in m/s is _____

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

+1 vote

1 answer

A shaft fitted with a flywheel rotates at 250 r.p.m. and drives a machine, the torque fluctuated about 18750 N-m, find the power required to drive the machine.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

+1 vote

1 answer

A V-belt is used to transmit 5 KW at 17 m/s, the included angle of the belt is 38°, the density of the belt is 1.25 g/cm^3, contact angle on smaller pulley is 150°, tension on the belt is adjusted by providing idlers. Find tension at tight and slack side of belt.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

A Porter governor has equal arms each of length 250 mm and pivoted on the axis of rotation. Each ball has a mass of 5 kg and the central load has a mass on the sleeve of 25 kg. The radius of rotation of the ball is 150 mm when the governor begins to lift and 200 mm when the governor is at maximum speed. Considering friction at the sleeve of 10N, find the power of the governor in N-m

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

+1 vote

1 answer

A Porter governor has equal arms each of length 250 mm and pivoted on the axis of rotation. Each ball has a mass of 5 kg and the central load has a mass on the sleeve of 25 kg. The radius of rotation of the ball is 150 mm when the governor begins to lift and 200 mm when the governor is at maximum speed. Neglecting friction at the sleeve, find the power of the governor in N-m.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

+1 vote

1 answer

It is required to lift water at the top of a high building at the rate of 50 litres/min. Assuming the losses due to friction equivalent to 5 m and those due to leakage equal to 5 m head of water, efficiency of pump 90%, decide the kilowatt capacity of motor required todrive the pump.

asked Sep 23, 2022 in Machine Dynamics by Grayson (34.3k points)

+1 vote

1 answer

The heavy turbine rotor of a sea vessel rotates at 1500 r.p.m. clockwise looking from the stern, its mass being 750 kg. The vessel pitches with an angular velocity of 1 rad/s. Determine the gyroscopic couple transmitted to the hull when bow is rising, if the radius of gyration for the rotor is 250 mm.

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

+1 vote

1 answer

In a slider crank mechanism, the length of the crank and connecting rod are 150 mm and 600 mm respectively. The crank position is 60° from inner dead centre. The crank shaft speed is 400 r.p.m. (clockwise). Velocity of the slider is ________

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

+1 vote

1 answer

The flywheel of a power operated chaff cutter receives the power through belt and pulley arrangement from an electric motor, running at 1600 rpm speed. The motor pulley has a diameter of 10 cm, while that of the pulley mounted on a flywheel shaft is 50 cm. The speed ratio between the flywheel and worm gear of diameter 15 cm is 7:1. What would be the rpm of flywheel and worm gear?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

+1 vote

1 answer

Two shafts having an included angle of 150° are connected by a Hooke’s joint. The driving shaft runs at a uniform speed of 1500 r.p.m. The driven shaft carries a flywheel of mass 12 kg and 100 mm radius of gyration. Using the above data, calculate the maximum torque required in N-m.

asked Sep 25, 2022 in Machine Kinematics by Leo (38.0k points)

+1 vote

1 answer

A 60 mm diameter shaft running in a bearing carries a load of 2000 N. If the coefficient of friction between the shaft and bearing is 0.03, find the power transmitted when it runs at 1440 r.p.m.

asked Sep 24, 2022 in Machine Kinematics by Leo (38.0k points)

+1 vote

1 answer

A power screw is rotated at constant angular speed of 1.5 revolutions/sec by applying a steady torque of 1.5Nm. How much work is done per revolution? What is the power required?

asked Sep 22, 2022 in Machine Dynamics by Grayson (34.3k points)

...