46.

47.

48,

49,

80.

82.

A Remote Terminal Unit (RTU) in a telemetry system is used for :
(ಹಿ) Providing power to the remote sensors

(8) Converting the output of the sensor to digital data and transmit to the base
station

(¢) Managing the health condition of the sensors
(D) Remote control the base station

The radio range of a telemetry system can be augmented by :
(^) Providing repeater (B) Increasing the antenna gain
(0) Minimizing the transmission loss (D) All of the above

Which of the following statements is not applicable to land line telemetry system?
(ಗಿ) Land line telemetry system is affected by EMI effects
(B) Land line telemetry system has limited frequency response
(0) Land line telemetry system is very effective for short distance transmission
(0) Distortions in transmission lines do not வி the performance of the telemetry
system
A force balance current telemetering system

(i) Make use of a portion of the output current which is feedback to the input to
oppose the motion of the input variable

(0) Shows good linearity
कर) Have better accuracy as smaller motions are required

(5) Only (i) is true (B) Only (iii) is true

(¢) (0, 00 ೩೧6 (iii) are true (D) None of the above are true
Which of the following is not a possible cause for optical fiber 10887

(ಗಿ) Impurities . (B) Attenuation in glass

(¢) Stepped index operation (D) Micro-bending
Light traveling in an optical fiber follows which of the following principle?

(^) Huygens principle (B) Light theory

(©) Snells law (D) Fermat's principle
The term critical angle describes :

(ಗಿ) The point at which light is refracted
(B) The point at which light becomes invisible
(€) The point at which light has gone from refractive mode to the reflective mode

(D) The point at which light has crossed the boundary layers from one index to
another

060/2016 8 A