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Which one of the following devices changes low voltage alternating current to high voltage alternating current and vice-versa?
A
Generator
B
Motor
C
Transformer
D
Vibrator
Correct Answer:
Transformer
Two involute gears are designed to mesh for a given centre distance and a given angular velocity ratio (other than 1). During assembly, the centre distance has increased slightly. Then which of the following changes occur? (i) Velocity ratio changes (ii) Pressure angle changes (iii) Pitch circle diameter changes (iv) Working depth changes (v) Base circle radius changes Select the correct answer using the code given below.
A
1, 2 and 3
B
2, 3 and 4
C
2 and 5
D
3 and 5
Arrange the following demographic transition theory given by Blackur (ascending order)
1. Declining phase with low mortality, lower fertility
2. Low stationary phases with low fertility and low mortality
3. Early expanding phase marked by high fertility
4. High stationary phase marked by high fertility and mortality
A
1, 2, 3, 4
B
4, 3, 2, 1
C
3, 4, 2, 1
D
1, 3, 2, 4
Which one of the following is true with regard to a CPU having a single interrupt request line and single interrupt grant line? i) Neither vectored nor multiple interrupting devices is possible. ii) Vectored interrupts is not possible but multiple interrupting devices is possible. iii) Vectored interrupts is possible and multiple interrupting devices is not possible. iv) Both vectored and multiple interrupting devices are possible.
A
iii
B
i, iv
C
ii, iii
D
iii, iv
S
1
: Different countries show different pattern of growth.
P: Many others have a high birth rate with a low death rate.
Q: Some have a high birth rate and still have a high death rate.
R: The developing countries show the most rapid growth rate.
S: Some others like the European nations, have a low birth rate and a low death rate.
S
6
: Compared to this in Europe the growth rate is low.
The Proper sequence should be:
A
PQSR
B
QSPR
C
RSQP
D
SPQR
Mundel's classes of change includes
1. Changes in body motions and positions
2. Changes in equipment and working arrangements
3. Changes in production sequence
4. Changes in finished product
5. Changes in raw material
A
1, 2 and 3
B
1, 2, 3 and 4
C
1, 2, 3, 4 and 5
D
None of these
Regarding bias and variance, which of the following statements are true? (Here 'high' and 'low' are relative to the ideal model.
i. Models which overfit are more likely to have high bias
ii. Models which overfit are more likely to have low bias
iii. Models which overfit are more likely to have high variance
iv. Models which overfit are more likely to have low variance
A
i and ii
B
ii and iii
C
iii and iv
D
none of these
Regarding bias and variance, which of the following statements are true? (Here 'high' and 'low' are relative to the ideal model. (i) Models which overfit are more likely to have high bias (ii) Models which overfit are more likely to have low bias (iii) Models which overfit are more likely to have high variance (iv) Models which overfit are more likely to have low variance
A
(i) and (ii)
B
(ii) and (iii)
C
(iii) and (iv)
D
none of these
A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. How many meters of low-quality cloth is consumed?
A
40,00 m
B
60,000 m
C
46,500 m
D
22,500 m
A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. What is the ratio of low quality dye used for C-type shirts to that used for D-type shirts ?
A
2:3
B
1:2
C
2:1
D
3:2
The instruction of MMX that is essential when a floating-point routine calls an MMX routine or viceversa is
A
MOV
B
PADD
C
EMMS
D
None of the mentioned