List three types of takeoff fittings available for sheet metal duct
What will be an ideal response?
Dove tail Spin-in
Adhesive backed flange
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¿Cuántas secciones de tres pies (0,91 m) de aislamiento para tuberías se necesitan para aislar 420 pies (128,02 m) de tubería?
a. 100 b. 160 c. 140 d. 420
Which of the following compounds is a commonly used diesel fuel ignition accelerator?
A. cetane B. butane C. cyclohexanol nitrate D. propane
A dc, separately excited motor has a load torque of 140 Nm and a frictional torque of 10 Nm. The motor is rated at 240 V. The armature resistance of the motor is 1 ?. The motor speed at the given load is 600 rpm. Ignore the field losses and calculate the motor efficiency.
What will be an ideal response?
Technician A says that carbon should be cleaned out after installing a new EGR valve. Technician B cleans the EGR exhaust passages by using a stranded metal cable. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician