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HSSC Welder (Gas & AMP; Electric) Instructor, Practical/Dt.-25-12-2021
📆 January 10, 2025
Total Questions: 90
41.
Name a device used for the magnification of objects.
(a) Bolometer
(b) Barometer
(c) Binoculars
(d) Barograph
Correct Answer:
(c) Binoculars
42.
A human ear can hear sounds in the range:
(a) 40-40,000 Hz
(b) 30-35 Hz
(c) 20-20,000 Hz
(d) 50-50,000 Hz
Correct Answer:
(c) 20-20,000 Hz
43.
Which of the following is not attracted by a magnet?
(a) Steel
(b) Cobalt
(c) Brass
(d) Nickel
Correct Answer:
(c) Brass
44.
Which of the following statements is true about the Air Quality Index?
(a) It indicates the color of the air.
(b) It predicts ozone levels in your area.
(c) It determines the intensity of sound and sound pollution.
(d) It estimates air pollution, mainly the sulphur content in the air.
Correct Answer:
(b) It predicts ozone levels in your area.
45.
Which acid is present in a tomato?
(a) Citric Acid
(b) Oxalic Acid
(c) Lactic Acid
(d) HCI
Correct Answer:
(b) Oxalic Acid
46.
What happens when a pellet of sodium is dropped in water?
(a) It catches fire and forms oxide.
(b) It absorbs heat and forms oxide.
(c) It catches fire and forms hydroxide.
(d) It absorbs heat and forms hydroxide.
Correct Answer:
(c) It catches fire and forms hydroxide.
47.
Which of the following diseases or infections is caused due to poor water hygiene?
(a) Leprosy
(b) Trachoma
(c) Conjunctivitis
(d) All of these
Correct Answer:
(d) All of these
48.
Which of the following components are major nutrients in our food?
(a) Carbohydrates
(b) Lipids and Proteins
(c) Vitamins and Minerals
(d) All of these
Correct Answer:
(d) All of these
49.
Which of the following is not a part of the human respiratory system?
(a) Trachea
(b) Diaphragm
(c) The lungs
(d) Kidney
Correct Answer:
(d) Kidney
50.
Identify the correct synonym of the word: "Servile"
(a) Driven
(b) Slavish
(c) Puerile
(d) Royal
Correct Answer:
(b) Slavish
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