Deck 5: Various Sensors and Navigation Technologies

Question 1

Synchro is a rotating device that operates on the same principle as a _ _ _ _ _ _ and produces a set of voltages, correlated to angular position.

A)Transformer principle
B)Faradays principle
C)Lens law
D)Tesla principle

Answer 1

Transformer principle

Question 2

What is the principle of operation of LVDT?

A)Mutual inductance
B)Self-inductance
C)Permanence
D)Reluctance

Answer 2

Mutual inductance

Question 3

In GPS, Control segment consists of a master control station and _ _ _ _ other monitor stations.

A)2
B)4
C)6
D)8

Answer 3

4

Question 4

Potentiometer is a _ _ _ _ _

A)Active transducer
B)Passive transducer
C)Both a) and b)
D)None of the mentioned

Question 5

_ _ _ _ _ is an analog position sensor that is absolute over a single turn.

A)Synchros
B)Resolver
C)LVDT
D)Microsyn

Question 6

Each satellite takes _ _ _ _ _in completing one full orbit and repeats the same ground track each day.

A)2 hour
B)12 hour
C)22 hour
D)24 hour

Question 7

Bluetooth Network consists of a Personal Area Network which contains a minimum of ___to maximum of ___ Bluetooth peer devices.

A)2 ,4
B)2,6
C)2,8
D)2,10

Question 8

LiDAR stands for _ _ _ _ _ _ _ _

A)Light detection and Resonance
B)Light detection and Ranging
C)LED detection and Ranging
D)Line distance and Ranging

Question 9

In optical encoder, the inner track has just one hole which is used locate the '_ _ _ _of the disc.

A)Anti Clockwise direction of the rotation
B)Home position
C)Clockwise direction of the rotation
D)Both a and c

Question 10

The GPS satellite comprises of sun seeking _ _ _ _ having _ _ _ _ providing secondary power.

A)Solar panels and Wind energy
B)Solar panels and Ni Cad batteries
C)Lead batteries and Ni Cad Batteries
D)Solar panels and Lead batteries

Question 11

Forklift uses _ _ _ _ _ _ sensor

A)Potentiometer
B)Encoder
C)Synchros
D)Resolver

Question 12

An _ _ _ _ _ _ is an electromechanical device used to measure acceleration forces such as static or dynamic

A)Synchros
B)Resolver
C)LVDT
D)Microsyn

Question 13

How many satellites are used to gather the exact location using GPS?

A)1
B)2
C)3
D)4

Question 14

_ _ _ _ _used where rotational or angular displacements are to be measured

A)LVDT
B)RVDT
C)Hall effect
D)Load cell

Question 15

Applications of Lidar _ _ _ _ _

A)Ocenography
B)Agriculture
C)Terrain model
D)All the above

Question 16

The required and nominal range of Bluetooth device is _ _ _ __

A)10
B)14
C)20
D)24

Question 17

_ _ _ _ _ sensors are not affected by ambient conditions, such as dust, humidity, and vibrations and are insensitive to some ambient conditions based on the principle that these sensors display a constant flow of electrical current, making their characteristics constant over time.

A)LVDT
B)RVDT
C)Hall effect
D)Load cell

Question 18

The space segment consists of_ _ _ _ _ satellites nominally orbiting the earth in MEO (Medium Earth Orbit).

A)10
B)14
C)20
D)24

Question 19

Optical encoders are used to measure _ _ _ _ _

A)Angular positions
B)Linear positions
C)Both angular and linear positions
D)None of the above

Question 20

The __ ____ ____ is a space-based satellite navigation system that provides location and time information in all weather conditions, anywhere on or near the Earth

A)Radio beacon
B)Gyroscope
C)GPS
D)Accelerometer

Question 21

_ _ _ _ _ _elements offer excellent temperature stability and high power dissipation abilities.

A)Wire wound
B)Conductive plastic
C)Hybrid
D)None of the above

Question 22

The output voltage is measured which is proportional to the distance travelled by the _ _ _ _ _

A)Wiper/Jockey
B)Conductive plastic
C)Hybrid
D)None of the above

Question 23

By using Rotating Polygon as scanner in Lidar what type of ground pattern it will form ______

A)Z shaped
B)Sinusoidal
C)Parallel
D)Elliptical

Question 24

The distance sensing method of radio beacon range from _ _ _ _ _

A)1M to 100 M
B)2 M to 200 M
C)2Cm to 200 Cm
D)1Cm to 100 Cm

Question 25

Laser is used in LIDAR for what purpose?

A)High-Speed Photography
B)Range finder
C)Optical Carrier signal
D)Drilling