Infosys mock MCQ Questions and Answers

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Showing 10 of 35 questions
Q21
See the picture
  • A A
  • B B
  • C C
  • D D
Answer: Option D
Q22
Stokes theorem connects
  • A a line integral and a surface integral
  • B a surface integral and a volume integral
  • C a line integral and a volume integral
  • D gradient of a function and its surface integral
Answer: Option A
Q23
When the temperature of a solid metal increases
  • A strength of the metal decreases but ductility increases
  • B both strength and ductility of the metal decrease
  • C both strength and ductility of the metal increase
  • D strength of the metal increases but ductility decreases
Answer: Option A
Q24
In a rolling process, sheet of 25 mm thickness is rolled to 20 mm thickness. Roll is of diameter 600 mm and it rotates at 100 rpm. The roll strip contact length will be
  • A 5 mm
  • B 39 mm
  • C 78 mm
  • D 120 mm
Answer: Option A
Q25
In PERT analysis a critical activity has
  • A maximum Float
  • B zero Float
  • C maximum Cost
  • D minimum Cost
Answer: Option B
Q26
The Fourier transform of a conjugate symmetric function is always
  • A imaginary
  • B conjugate anti-symmetric
  • C real
  • D conjugate symmetric
Answer: Option C
Q27
A device with input x(t) and output y(t) is characterized by: y(t) = x2(t). An FM signal with frequency deviation of 90 kHz and modulating signal bandwidth of 5 kHz is applied to this device. The bandwidth of the output signal is
  • A 370 kHz
  • B 190 kHz
  • C 380kHz
  • D 95kHz
Answer: Option C
Q28
struct abc{ int a; char c[5]; float b; }p; int main(void){ printf("\n %d", sizeof(p)); return 0; } If the sizeof int is 4bytes what should be the output:
  • A 13
  • B 11
  • C 16
  • D None
Answer: Option A
Q29
If the sizeof int is 4bytes what should be the output:
  • A 13
  • B 11
  • C 16
  • D None
Answer: Option A
Q30
Predict the output:
  • A I hate C
  • B I Love C
  • C None
Answer: Option A
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