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In a scissors cross-over, the crossings provided are<br>i) 2 obtuse angle crossings<br>ii) 4 obtuse angle crossings<br>iii) 4 acute angle crossings<br>iv) 6 acute angle crossings <br>The correct answer is
A
(i) and (iii)
B
(i) and (iv)
C
(ii) and (iii)
D
(ii) and (iv)
Correct Answer:
(i) and (iv)
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. Acute angle, right angle, obtuse angle, ?
A
Exterior angle
B
Reflex angle
C
Straight angle
D
Supplementary angle
In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: All scissors are knives Statement II: Some blades are scissors Conclusion I: Some knives are blades Conclusion II: All blades are knives
A
Only conclusion I follows
B
Only conclusion II follows
C
Both conclusions I and II follow
D
Neither conclusion I nor conclusion II follows
For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency.
A
True
B
False
____________________ roof is similar to the collar beam roof accept that two collar beams which are crossing each other to present an appearance of scissors are provided.
A
Collar and scissor
B
Collar beam
C
Tie beam
D
Lean on
For canals carrying smaller water depths, a ramp is provided for the entry and exit as cattle crossings.
A
True
B
False
If $$\alpha $$ is the angle of crossing, then the number of crossings ‘N’ according to right angle method is given by
A
$$\frac{1}{2}\cot \left( {\frac{\alpha }{2}} \right)$$
B
$$\cot \left( {\frac{\alpha }{2}} \right)$$
C
$$\cot \left( \alpha \right)$$
D
$$\frac{1}{2}{\text{cosec}}\left( {\frac{\alpha }{2}} \right)$$
If x is an obtuse angle, then what is true for x?
A
x = 90°
B
180° < x < 360°
C
0° < x < 90°
D
90° < x < 180°
What is the area of an obtuse angled triangle given below with two sides are 8 and 12 and the angle included between two sides is 150 deg?
A
48 sq units
B
24 sq units
C
12 sq units
D
6 sq units
What is the obtuse angle formed by the hands of a clock when the time in the clock is 2:30?
A
95 deg
B
120 deg
C
105 deg
D
165 deg
In ΔABC, ∠C is an obtuse angle. The bisectors of the exterior angles at A and B meet BC and AC produced at D and E respectively. If AB = AD = BE, then ∠ACB = ?
A
105°
B
108°
C
110°
D
135°