4506: For pasteurization by the Flash Method, milk is heated to a temperature of:
(a) 0°C
(b) 100°C
(c) - 4°C
(d) 72°C
4507: Cryogenic engines find applications in
(a) sub-marine propulsion
(b) frost-free refrigerators
(c) rocket technology
(d) researches in superconductivity
4508: Consider the following pairs:
Tributary River : Main River
1. Chambal : Narmada
2. Sone : Yamuna
3. Manas : Brahmaputra
Which of the pairs given above is/are correctly matched?
(a) 1 and 2 only
(b) 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
4509: Consider the following statements:
1. National Payments Corporation of India (NPCI) helps in promoting the financial inclusion in the country.
2. NPCI has launched RuPay, a card payment scheme.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
4510: The technique used to transmit audio signals in television broadcasts is
(a) Amplitude Modulation
(b) Frequency Modulation
(c) Pulse Code Modulation
(d) Time Division Multiplexing