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Standard VII
Physics
Work
The value of ...
Question
The value of 1 kilowatt power in terms of horse power will be _____________.
A
1.34 H. P.
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B
746 H. P.
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C
786 H. P.
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D
4.36 H. P.
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Solution
The correct option is
A
1.34 H. P.
The Horsepower and the Watt are both units of power, this being defined as the rate at which work is done.
1
k
W
=
1.34
H
.
P
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0
Similar questions
Q.
A star initially has
10
40
deuterons. It produces energy through the processes
1
H
2
+
1
1
H
2
→
2
H
3
+ P and
1
H
2
+
1
→
2
H
e
4
+
n
If the average power radiated by the star is
10
16
W
, the deutron supply of the star is exhausted in a time of the order of
Q.
In the reaction between
N
O
and
H
2
the following data are obtained
Experiment 1 :
P
H
2
= constant
(mm of Hg)
359
300
152
−
P
H
2
d
t
1.50
1.03
0.25
Experiment 2:
P
N
O
= constant
P
H
2
(mm of Hg)
289
205
147
−
P
H
2
d
t
1.60
1.10
0.79
The orders with respect of
H
2
and
N
O
are:
Q.
One kilowatt is equal to _______________ horse power.
(A) 1.34 (B) 1.32
(C) 1.28 (D) 1.38
Q.
At
S
T
P
the order of mean square velocity of molecules of
H
2
,
N
2
,
O
2
and
H
B
r
is-
Q.
A star initially has 10
40
deuterons. It produces energy via the process
H
2
+
1
H
2
→
1
H
3
+
p
and
1
H
2
→
1
H
3
→
2
H
e
4
+
n
. If the average power radiated by the star is 10
16
W, the deuteron supply of the star is exhausted in a time of the order of :
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