DIRECT DRIVES Flashcards
A device used to transmit power by connecting shafts together.
a. Flexible coupling
b. Rigid coupling
c. All of the above
d. None of the above.
c. All of the above
What transmission drive would you recommend for the design of a manually-operated back-pack power harvester?
a. Coupler
b. Universal joint
c. Flexible shafting
d. None of the above
c. Flexible shafting
If a drive shaft of the machine is in line with the drive shaft of the engine, what transmission drive would you recommend?
a. Coupler
b. Universal joint
c. Flexible shafting
d. None of the above
a. Coupler
It is a device use to connect two shafts together for the purpose of transmitting power permitting some degree of misalignment, end movement, or both.
a. Clutch
b. Flange
c. Coupler
d. None of the above
c. Coupler
It is a hydrodynamic device used to transmit rotating mechanical power of a tractor with the use of a fluid with pump that is connected to the flywheel of the engine and a turbine to the input shaft of the transmission gear.
a. Pump coupling
b. Turbine coupling
c. Fluid coupling
d. All of the above
c. Fluid coupling
A gripping device placed between the power source and the machine to be driven.
a. Clutch
b. Chain
d. Springs
e. None of the above
a. Clutch
The type of clutch used to drive a machine element in only one direction.
a. Slip clutch
b. Overrunning clutch
c. Friction clutch
d. None of the above
b. Overrunning clutch
The type of clutch that limits the amount of torque or power transmitted to the driven member through the shaft.
a. Slip clutch
b. Overrunning clutch
c. Friction clutch
d. None of the above
a. Slip clutch
It is mechanism of a tractor which enables the rotary motion of one shaft is transmitted to the second shaft whose axis is coincident with that of the first.
a. Clutch
b. Coupler
c. Flange
d. None of the above
a. Clutch
The clutch of the tractor is located _____ the engine and the gear box.
a. before
b. after
c. between
d. None of the above
c. between
Clutch is disengage when _____.
a. starting the engine
b. shifting the gears
c. idling the engine
d. All of the above
d. All of the above
When a machine is driven directly from the shaft of a power source, the power is transmitted using ___.
a. gear drive
b. sprocket and chain drive
c. direct drive
d. None of the above
c. direct drive
If the shaft of an engine rotates at the same speed with the shaft of the driven machine on the same axis, the transmission system is ___.
a. belt and pulley
b. sprocket and chain
c. direct coupled drives
d. None of the above
c. direct coupled drives
A water pumping plant is designed to deliver water from a river to the farm. The river is 6-m high and 10-m away from the farm. The pump needs to be installed at the mid point between the river and the farm; while the engine is to be installed at the river bank. As an Agricultural Engineer, what drive system would you recommend in the design of the plant?
a. Coupler
b. Universal Joint
c. Flexible shafting
d. None of the above
b. Universal Joint
Which of the following factors is considered in the selection of coupling?
a. Type of coupling
b. Size of coupling
c. Material
d. Dynamic balance
e. All of the above
e. All of the above