# Verifone Written Test on February 2012

Posted on :01-03-2016

Q1. The output of diesel engine is increased if

a) more fuel
b) flywheel size
c) incoming air
d) scavenging
e) supercharging

Q2. Vortex on whirlpool is due to

a) cavitation
b) wake
c) drag

Q3. Which gas is used in the gas fired prime movers at gas power plants?

a) LPG
b) CNG
c) Nitrogen Gas

Q4. AC resistance is more due to....

ANS: skin effect

Q5. At the transmission line, Capacitors are connected at where?

a) at sending end
b) at receiving end
c) in the middle of the line.

Q6. Human body gets shock due to:

a) static charge discharging of body,
b) voltage induced in the body,
c) current induced in the body
d) none of these

Q7. The pressure p in terms of its mean kinetic energy/unit volume E is

a) E/3
b) E/2
c) 3E/4
d) 2E/3
e) 5E/4

Q8. Why central phase is reversed?

Q9. Accumulation of carbon in the cylinder increases when

a) decrease in volume
b) volumetric efficiency
c) ignition time
d) effective compression ratio
e) travel time

Q10. A vendor sell h hot dogs and s sodas. If a hot dog costs twice as much as a soda, and if the vendor takes in a total of d dollars, how many cents does a soda cost?

a) 100d/(s+2h)
b) (s+2h)/100d
c) d(s+2h)/100
d) 100d(s+2h)
e) d/100(s+2h)

Q11. What is the largest prime factor of 255?

a) 5
b) 15
c) 17
d) 51
e) 255

Q12. Alison is now three times as old as Jermy, but 5 years ago, she was 5 times as old as he was. How old is Alison now?

a) 10
b) 12
c) 24
d) 30
e) 36

Q13. What is the output of the following program?

include
int sum(int a, int b=5, int c=10);
main()
{
cout<
}
int sum(int a, int b, int c)
{ return a+b+c;}

ANS:  20 25 25

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