audience round quiz at acrex 2012
DESCRIPTION
HVAC&R Quiz at ACREX 2012 Bangalore These questions were asked for AudienceTRANSCRIPT
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For Patient Audience
@
ACREX 2012 Quiz, Bangalore
Organised by ISHRAE
- Mohan Reddy
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Audience Question
1. Name the scientists who received Nobel prize for finding Chlorine element released by halogenated hydrocarbons was adversely affecting Ozone layer?
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Answer
F S Rowland & M J Moulina
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Audience Question
In 2004 as per Henry Ford Poll conducted in US, which was the top of top 10 innovative ideas of last eighty years?
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Answer
1. Airconditioning
2. Pencillin
3. The Personal Computer
4. Global Positioning Satellites
5. Cell phones
6. Broadcast Televisions
7. Social Security Act
8. The Internet
9. Frozen Food
10.The Polio Vaccine
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Audience Question
How many Kilometers a 2 lt engine car has to travel to have emissions equivalent to 1 kg R404A refrigerant leakage?
A) 3km
B) 100km
C) 1 Million Km
D) 30,000 Km
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Answer
Answer: 30,000 Km . GWP of R404A is 3800
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Audience Question
What is LMTD?
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Answer
Logarthmic mean temperature difference
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Audience Question
What is the difference between these 2 curves
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Answer
Left is Natural scale PH curve
Right is logarthmic scale PH Curve
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Audience Question
Name the company started by Lal Bhai and later acquired by leading Japanese group?
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Answer
Amtrex acquired by Hitachi
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Audience Question
Material used in Magnetic refrigeration?
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Answer
GADOLINIUM
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Audience Question
Oil free bearing works on principle of
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Answer
Magnetic levitation
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Audience Question
What type of motor used in electronic expansion valve
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Answer
Stepper motor
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Audience Question
Which is most promising renewable energy source for airconditioning?
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Answer
Geothermal
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Audience Question
Abbreviate DIDW of fans
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Answer
Double inlet double width
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Audience Question
In which type of ducting pressure drop is lower?
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Answer
Spiral
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Audience Question
What is used to connect diffuser and duct?
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Answer
Flexible duct
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Audience Question
What component is used to have individual control of air volume in central air conditioning systems?
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Answer
VAV