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CTET Solved Paper MCQ - UPTET October 2017 Paper2

116 In household wiring, what is the colour of 'earth wire'?

In indict wires are in RGB mode.
i.e. Red-Green-Black. Each of these RGB wire have different functions. Red-Red wire signifies the phase in electric circuit. Black-Black wire signifies neutral wire. Green-Green wire stands for earthing is electric circuit.

117 Kirchhoff's current law is based on the conservation of

Kirchhoff's current law or junction rule states that "at any junction, the sum of the currents entering the junction is equal to the sum of currents leaving the junction". This law is based on the conservation of charge.

118 The decimal equivalent of the binary number (1101)₂ is

The decimal equivalent of the binary number
(1101)₂ = 2³ × 1 + 2² × 1 + 2¹ × 0 + 2⁰ × 1
= 8 + 4 + 0 + 1 = 13

119 Which of the following is not a constituent of petroleum?

Among the given options, constituents of petroleum are petrol, paraffin wax and lubricating oil. Coke is not related with petroleum.

120 A metal M does not liberate hydrogen from acids but reacts with oxygen to give a black colour product. Identify M.

M is copper (Cu) and black coloured product is copper (II) oxide.

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Question:

'सुई' का तत्सम रूप क्या है?

A. सुज्जा
B. सूचि
C. सलाई
D. सूची

Correct answer: D

Explanation:

सूची 'सुई' का तत्सम रूप 'सूची' है |

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