The use of chlorofluoro carbon refrigerants is banned because these react with (a) water vapours and cause

Question:

The use of chlorofluoro carbon refrigerants is banned because these react with

(a) water vapours and cause acid rain

(b) plants and cause green house effect

(c) oxygen and cause its depletion

(d) ozone layer and cause its depletion

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Principles Of Mechanical Engineering

ISBN: 9788121935265

1st Edition

Authors: Sadhu Singh

See More Books

Question Posted: Apr 27, 2024 08:01 AM

See More Questions

a. Example 13-1: Batch Reactor with an Exothermic Reaction Wolfram 1. Adiabatic Case: Use Wolfram to see whether you can find a trajectory that is ready to ignite and whose trajectory looks like a...
The rate constant of the reaction O(g) + N 2 (g) NO(g) + N(g), which takes place in the stratosphere, is 9.7 * 10 10 L mol 1 s 1 at 800. C. The activation energy of the reaction is 315 kJ mol 1 ....
Review the concept of externalities from Chapter 5, page 148. If a market is a monopoly, will a negative externality in production always lead to production beyond the level of economic efficiency?...
The following data relates to direct labor costs for August: Actual costs: 5,500 hours at $24.00 per hour. Standard Costs: 5,000 hours at $23.70 per hour. What is the direct labor rate variance?
Match each definition with its related term by entering the appropriate letter in the space provided. Term ____ 1. Expenses ____ 2. Matching principle ____ 3. Revenue principle ____ 4. Cash basis...
Manager: If I can reduce my costs by $40,000 during this last quarter, my division will show a profit that is 10 percent above the planned level, and I will receive a $10,000 bonus. However, given...
A 3-ft-diameter duct is used to carry ventilating air into a vehicular tunnel at a rate of $9000 \mathrm{ft}^{3} / \mathrm{min}$. Tests show that the pressure drop is $1.5 \mathrm{in}$. of water...
Use the following industry average ratios to construct a pro forma balance sheet for Carlos Menza,Inc. Total asset turnover Average collection period (assume a 365-day year) Fixed asset turnover...
Dorothy (aged 17) has discovered that she is in 23 weeks pregnant. She is a Type-1 diabetic. Since a very young age, Dorothy has been devoutly religious. Part of her religion's doctrine is the belief...
Expansion device used in a domestic refrigerator of vapour compression type is (a) automatic expansion valve (b) thermostatic expansion valve (c) hand operated valve (d) capillary tube
The colour of the flame of halide torch in case of leakage of freon refrigerant, will be (a) bright green (b) yellow (c) red (d) orange
Knowing that the disk has a constant angular velocity of 15 rad/s clockwise, determine the angular velocity of bar BD and the velocity of collar D when (a) = 0, (b) = 90, (c) = 180. 2.8 in 10 in.
Gorgon Chang's article, "Eternally Foreign: Asian Americans, History, and Race" references a fictional book "Last Days of the Republic" where an Asian country, _ _ _ _ _ _ _ _ _ _ _ _ _ _ takes over...
6. minimize x - y, subject to 1 < x + y < 4, 0 x 4, 0 y 4 min 3x36xy+3y s.t -1 x 1 7. 0 y 1 8. Find the dimensions (x,y,z) of a rectangular parallelepiped box such that the volume of the box is...
A Find T(t) and N(t) for: r (+) = (+, sint- + cost, cost ++ sint) Part B) Find the Curvature
A rigid beam BG is supported by a smooth pin C and by rods (1) and (2), that are attached to the beam at points D and B respectively. Both rods are identical with stiffness k and thermal expansion...
Explain the main techniques used in employment planning and forecasting. List and briefly describe the basic categories of selection tests, with examples.
Reaction of 3,3-dimethyl-1-butene with hydrogen iodide yields two compounds A and B, each having the molecular formula C6H13I, in the ratio A:B = 90:10. Compound A, on being heated with potassium...
What do you think?
The following transactions occurred during August: (a) Invested cash in the business, $30,000. (b) Purchased a used van for cash, $8,000. (c) Purchased plumbing equipment on account, $4,000. (d)...
Develop an outline for a basic business plan and strategy to include a vision statement that looks three to five years in the future for international HRM.
Describe the behaviours that individual team members can engage in that positively impact overall team effectiveness.

The use of chlorofluoro carbon refrigerants is banned because these react with (a) water vapours and cause

Question:

Step by Step Answer:

Principles Of Mechanical Engineering

Students also viewed these Engineering questions