15. When you measure the voltage drop across a set of contacts, you're O A. measuring the equivalent motor resistance. O B. sensing how much current is flowing in the circuit. Oc. checking the incoming voltages. D. checking the quality of the contact set.

The PWM duty cycle of almost 70% means O a. the average of clock will be high O b. the frequency varies with generated pulses Oc. the average of the clock will be low O d. the average of clock will be in the mid

Question NO:1 Answers these questions in detail with few explanation of all. a. Highlight various types of devices with speed more than 60000 rpm. b. Name various types of motors rotate with 60000 RPM. c. Name various types of coolant used in automobile Motorcycle 1600cc, 1800cc and 3000cc engine. d. Name different types of devices used to find out vibration and different machinery Note: Need Asap Thank you.

9. The information provided by the Design Letter mentioned on motor's nameplate. a) Motor's running torque b) Motor's locked-rotor current c) Motor's capability to withstand overload d) None of the above 10. Which of the following is a characteristic of motor designed for inverter use. a) Motor with insulation class F or H b) Motor processed with 100% resin in a Vacuum Pressure Impregnation system c) Motor with wire rated for a minimum of 1600 volt spikes d) All of the above

Question 1 of 20: Select the best answer for the question. 1. In a carbon-pile voltage regulator, the resistance of the carbon stack O A. varies according to temperature, not pressure. O B. increases as increased pressure is applied. OC. is constant. OD. decreases as increased pressure is applied.

is an example of analog indicating type device. O a. Digital Recorders O b. Ultra Violet Recorders O . Voltmeter O d. Magnetic Tape Recorder

The TRIAC can be triggered on by applying voltage. a. A positive at the gate b. A negative at the gate How TRIAC is different from SCR? State your observations below. c. both a & b

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4. Igniter in engine system as device to ignite the supply, a) Draw the igniter circuit and explain the operation principle of this system b) Signal generator consist of permanent magnet and pick up coil, draw the diagram of the device