RRB JE Chandigarh 14 Dec
The ration between inertia force and viscous force is called
- Froude’s number
- Weber’s number
- Euler’s number
- Reynold’s number
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80 - 85 marks....Gujarat...electronics..
Any chance....
RRB JE Chandigarh 14 Dec
The central Processing Unit (CPU) Consists of
- control unit, processing and primary storage
- input, output and processing
- Control Unit, primary storage and secondary storage
- control unit, arithmatic -logic unit and primary storage
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RRB JE Chandigarh 14 Dec
Blood pressure of a healthy person is:
- 90/60
- 140/60
- 120/80
- 200/110
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RRB JE Chandigarh 14 Dec
Which of the following is not an operating system?
- Oracle
- Windows
- Linux
- DOS
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RRB JE Chandigarh 14 Dec
In a capacitor, the electric charge is stored in:
- none of the above
- metal plates
- dielectric
- metal plates & dielectric
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RRB JE Chandigarh 14 Dec
The ratio between the stress produced by gradually applied and suddenly applied load is:
- 1
- none of these
- 1/2
- 2
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RRB JE Chandigarh 14 Dec
The Saka Era began in the year
- 58 BC
- 78 AD
- 58 AD
- 78 BC
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RRB JE Chandigarh 14 Dec
Why sun looks elliptical in shape during sun-rise and sun-set?
- Scatttering
- Refraction
- Reflection
- Dispersion
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RRB JE Chandigarh 14 Dec
Which comet appears every 76 years
- Holme’s
- Hailey’s
- Alpha Centauri
- Donati’s
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RRB JE Chandigarh 14 Dec
Comparative scale is a pair of scale having a common
- length of scale
- representative fraction
- least count
- unit
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RRB JE Chandigarh 14 Dec
DPT is used to prevent
- Tuberculosis
- Diphtheria
- Polio
- All of these
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RRB JE Chandigarh 14 Dec
The heating element of electric heater is made from
- tungsten
- copper
- nichrome
- chromium
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yaar getting 95 in rrb allahabad.cut off ka kya hai?
RRB JE Chandigarh 14 Dec
Which of the following is the main factor of water pollution
- Detergents
- Smoke
- Industrial waste
- Ammonia
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RRB JE Chandigarh 14 Dec
The most widely used universal gates are:
- OR and AND gates
- NAND and OR gates
- NOR and AND gates
- NOR and NAND gates
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RRB JE Chandigarh 14 Dec
An ammeter:
- is connected in series in a circuit
- All of the above
- absorbs small power
- should have low electrical resistance
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RRB JE Chandigarh 14 Dec
A megger is used for the measurement of
- Medium valued resistance
- High valued resistance
- High valued resistance, particularly insulated resistance
- Low valued resistance
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RRB JE Chandigarh 14 Dec
Stainless steel resists corrosion due to:
- Carbon
- Sulphur
- Vanadium
- Chromium
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