Industrial materials thermal power stations are coated with:
A. Polyester resins B. Epoxy paints C. Polyamide resins D. Polyvinyl chloride
The removal of 7th electron from an element of Group VI of the periodic table needs three times more energy than:
A. 3rd electron B. 6th electron C. 8th electron D. 18th electron
The molecules of CO2 in dry ice form:
A. Ionic crystal B. Covalent crystal C. Molecular crystal D. Any type of crystal
A relation in which the equality is true only for a number of unknowns is called an:
A. Identity B. Equation C. Algebraic equation D. Algebraic relation
Hall voltage is directly proportional to:
A. Current B. Electric field C. Magnetic flux density D. All of above
If A, B and C are any three sets, then A x (B U C) is equal to:
A. (A x B) U (A x C) B. (A U B) x (A U C) C. (A x B) ∩ (A x C) D. None of the above
How many isotopes have odd atomic number?
A. 154 B. 280 C. 86 D. 300
To measure the Humidity in air, what instrument is used?
A. Hygrograph B. Lactometer C. Barometer D. Speedometer
Choose the correct spelling:
A. Anesthetize B. Anaesthetize C. Anesthetize D. Anesthetize
Choose the correct option of the idiom: Cheek by jowl
A. Close together B. One after another C. Side by side D. Proportionately