Question 1 (TCO 1) An open-loop control system has all the following except? actuator controller sensor...

Question

Question

Question 1 (TCO 1) An open-loop control system has all the following except? actuator controller sensor...

Question 1

(TCO 1) An open-loop control system has all the following except?

actuator

controller

sensor

process

Question 2

(TCO 1) The controlled variable in a closed-loop system is the direction of a robot arm. Initially it is at 50^o; then it is commanded to go to 15^o. When the error is 10^ofor the first time, what is direction of the robot arm?

15^o

25^o

10^o

35^o

Question 3

(TCO 1) Which of the following is a closed-loop system?

Turning on the lights in a house at 6 p.m., and turning them off at 6 a.m.

Turning the heater off when the temperature reaches 68^o or above.

Pumping water out of the ground.

Setting the alarm to 8 a.m.

Question 4

(TCO 2) Find the current in a ground loop that is 250 m long, has a wire resistance of 0.04 ohms/m, and has a difference of 5 V between grounds.

0.500

0.578

0.673

0.558

Question 5

(TCO 3) Find the gain in decibels of an amplifier that has a straight voltage gain of 7000.

71.8

74.2

75.3

76.9

engineering Electrical-Engineering

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