Intech C.A.T

Which of these is not a pure metal?

• Brass

• copper

• aluminium

A majoy raw material for paper and pulp is

• Rubber

• Ceramic

• Wood

Which of these is not made of wood

• hockey sticks

• table tennis bat

• net

Car battery plates are made of

• Lead

• Duralumin

• Bronze

Which of these increases the magnitude of a signal

• The amplifier

• The receiver

• The carrier

A digital signal has ___ fixed valves

• 2

• 5

• 3

Which of these enables one to send mails electronically?

• web search engines

• usenet

• e-mail

Iodine is used to

• disinfect wounds

• clean wounds

• absorb moisture

Copper is popularly used for making

• cooking utensils

• electrical cables and wires

• roof sheets

Car tyres are popularly made from

• Glass

• Rubber

• Ceramics