Octane rating of Gasoline can be increased by __________?

Related Mcqs:

1. The octane number of zero is assigned to____________?

   A. 2-methyl octane B. n-heptane C. iso-octane D. 3-methyl octane Submitted by: Muhammad Ali Kunbhar...

2. The compound which is added to leaded gasoline to save engine from lead oxide and lead sulphate deposits is__________________?

   A. Ethylene iodide B. Ethylene bromide C. Ethylene chloride D. Ethylene fluoride...

3. Black foot disease is caused by the pollution of groundwater as a consequence of increased seepage of:__________?

   A. Nitrates B. Fluorides C. Arsenic D. Mercury Submitted by: Abid Hussain...

4. Rate of filtration can be increased by applying gentle suction______________?

   A. Gooch crucible B. Filter paper C. Sintered crucible D. All of the above...

5. For a gas where volume and pressures are 1dm3 and 2 atm respectively what should be its new volume when pressure is increased to 6 atm at constant temperature ?

   A. 1/2dm3 B. 1/3dm3 C. 1/4dm3 D. 2/3dm3...

6. If temperature of gallium arsenide is increased then its conductivity will___________________?

   A. decrease B. increase C. remains constant D. first decreases then increases...

7. The quantity of petrol can be increased by ___________?

   A. Reforming B. Induction fueling C. Cracking D. Refining Submitted by: Aamir khan Hullio...

8. Alpha (α) particles are helium (He) nucleus with a charge of __________ ?

   A. e B. 2e C. 3e D. 4e Submitted by: Rashid Mehmood...

9. In SI base units, 1 Bq is equal to __________ ?

   A. 10 disintegration per second B. 1.5 disintegration per second C. 0.01 disintegration per second D. 1 disintegration per second Submitted by: Rashid Mehmood...

10. Atomic mass of an atom is present in the __________?

    A. Shell B. Orbit C. Nucleus D. Orbital Submitted by: Aamir khan Hullio...