All recessed incandescent luminaries must be equipped with factory-installed thermal protection, ...
All recessed incandescent luminaries must be equipped with factory-installed thermal protection, unless the luminarie's is identified for use and installation in _________. a. copper. b. aluminum. c. stainless steal. d. poured concrete.
Homework Answers
D. Poured concrete
Because for all the remaining materials thermal conductivity is high. So they require thermal protection. But for concrete thermal conductivity is less.
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All recessed incandescent luminaries must be equipped with factory-installed thermal protection, ...
3. Two advanced thermal insulating and anti-condensation protection alternatives have been proposed for new Antarctica marine...
3. Two advanced thermal insulating and anti-condensation protection alternatives have been proposed for new Antarctica marine vessels subicct to the harsh marine environment. One alternative must be selected. Estimated savings from reduced total installation and maintenance costs over conventional insulation are the following: Alternative Installed cost Annual savings Life, years Alpha-B $15,000 $6250 Delta-T $13,000 $4750 8 Which alternative should be recommended based on the present worth method? Use a MARR of 18% and a study period of 8 years....
3. Two advanced thermal insulating and anti-condensation protection alternatives have been proposed for new Antarctica marine...
3. Two advanced thermal insulating and anti-condensation protection alternatives have been proposed for new Antarctica marine vessels subject to the harsh marine environment. One alternative must be selected. Estimated savings from reduced total installation and maintenance costs over conventional insulation are the following: Alternative Installed cost Annual savings Life, years Delta-T Alpha-B $15,000 $6250 $13,000 $4750 8 8 Which alternative should be recommended based on the present worth method? Use a MARR of 18% and a study period of 8...
1. The color of the outer finish of the insulation or tape marking a grounded conductor...
1. The color of the outer finish of the insulation or tape marking a grounded conductor must be A. black B. green. C. white or gray D. yellow finish. 2. When the main bonding jumper in a residential el ectrical system is a screw only, the screw must be identified with a A. white B. red C. green D. black The grounding electrode conductor should be installed without a splice, unless the splice is made using exothermic welding or by...
A) How much heat must be absorbed by a 23.0 g sample of water to raise...
A) How much heat must be absorbed by a 23.0 g sample of water to raise its temperature from 30.0 ∘C to 50.0 ∘C? (For water, Cs=4.18J/g∘C.) Express your answer to three significant figures and include the appropriate units. ΔErxn = nothing kJ/mol B) anganese reacts with hydrochloric acid to produce manganese(II) chloride and hydrogen gas. Mn(s)+2HCl(aq) → MnCl2(aq)+H2(g) You may want to reference (Page 271) Section 6.7 while completing this problem. Part A When 0.635 g Mn is combined...
i need all Question 15 (2 points) ✓ Saved The molecular model for Propylene glycol is...
i
need all
Question 15 (2 points) ✓ Saved The molecular model for Propylene glycol is shown below. What is its empirical formula? carbon hydrogen O oxygen O A) C₂H40 B OB) C3H8O2 C) CH40 D) C3H40 Question 16 (2 points) Saved If X form the compound XSO4 with sulfate ion, what compound does it form with Cl"? OA) XC13 B) XC14 C) XCI D) XC12 Question 19 (2 points) ✓ Saved The ion with a charge of +3 and...
(1). In regard to installation of electrical conductions and equipment, who may grant exceptions to the...
(1). In regard to installation of electrical conductions and equipment, who may grant exceptions to the requirements of the NEC? A. nfpa b. ahj c. ieee d. ul. (2). Exceptions to the Code permit alternate methods to the general (main) rule. Exceptions are permitted. A. when all of the provisions of the exception are met. B. when a written request is submitted to and approved by the NEC. C. any time the electrician deems it necessary. D. not more than...
1. Use the Limit Comparison Test to prove that the series S(a, b) converges unless a or b is a negative integer. Why must this restriction on a and b be imposed? 2. In all that follows we assume with...
1. Use the Limit Comparison Test to prove that the series S(a, b) converges unless a or b is a negative integer. Why must this restriction on a and b be imposed? 2. In all that follows we assume without losing generality that a >b. Use partial fractions to show that 3. To get warmed up, write the first few terms of the series S(1,0) k(k + I )-4 k--J . Write the nth term of the sequence of partial...
1. You must SHOW ALL YOUR WORK on the test to receive full credit. 2. Print...
1. You must SHOW ALL YOUR WORK on the test to receive full credit. 2. Print your name and Id# on the top of the first page. 3. Always give the exact answer(s) in the simplest form unless it's specified otherwise. 4. Box your final answers. GOOD LUCK! 1) (11 points) Find all critical numbers of f(x)=x-Vx. (Show all five steps.) 2) (11 points) The below figure shows the graph of derivative function f '(x) of a function f(x). The...
**MUST BE ABLE TO ANSWER ALL QUESTIONS** A) During January, its first month of operations, Dieker...
**MUST BE ABLE TO ANSWER ALL QUESTIONS**
A) During January, its first month of
operations, Dieker Company accumulated the following manufacturing
costs: raw materials $5,400 on account, factory labor $6,100 of
which $5,900 relates to factory wages payable and $200 relates to
payroll taxes payable, and utilities payable $2,500.
Prepare separate journal entries for each type of manufacturing
cost.
**************************************************************************************************
B) In January, Dieker Company requisitions raw
materials for production as follows: Job 1 $970, Job 2 $1,400, Job
3...
3. Two advanced thermal insulating and anti-condensation protection alternatives have been proposed for new Antarctica marine vessels subicct to the harsh marine environment. One alternative must be selected. Estimated savings from reduced total installation and maintenance costs over conventional insulation are the following: Alternative Installed cost Annual savings Life, years Alpha-B $15,000 $6250 Delta-T $13,000 $4750 8 Which alternative should be recommended based on the present worth method? Use a MARR of 18% and a study period of 8 years....
3. Two advanced thermal insulating and anti-condensation protection alternatives have been proposed for new Antarctica marine vessels subject to the harsh marine environment. One alternative must be selected. Estimated savings from reduced total installation and maintenance costs over conventional insulation are the following: Alternative Installed cost Annual savings Life, years Delta-T Alpha-B $15,000 $6250 $13,000 $4750 8 8 Which alternative should be recommended based on the present worth method? Use a MARR of 18% and a study period of 8...
1. The color of the outer finish of the insulation or tape marking a grounded conductor must be A. black B. green. C. white or gray D. yellow finish. 2. When the main bonding jumper in a residential el ectrical system is a screw only, the screw must be identified with a A. white B. red C. green D. black The grounding electrode conductor should be installed without a splice, unless the splice is made using exothermic welding or by...
i
need all
Question 15 (2 points) ✓ Saved The molecular model for Propylene glycol is shown below. What is its empirical formula? carbon hydrogen O oxygen O A) C₂H40 B OB) C3H8O2 C) CH40 D) C3H40 Question 16 (2 points) Saved If X form the compound XSO4 with sulfate ion, what compound does it form with Cl"? OA) XC13 B) XC14 C) XCI D) XC12 Question 19 (2 points) ✓ Saved The ion with a charge of +3 and...
1. Use the Limit Comparison Test to prove that the series S(a, b) converges unless a or b is a negative integer. Why must this restriction on a and b be imposed? 2. In all that follows we assume without losing generality that a >b. Use partial fractions to show that 3. To get warmed up, write the first few terms of the series S(1,0) k(k + I )-4 k--J . Write the nth term of the sequence of partial...
1. You must SHOW ALL YOUR WORK on the test to receive full credit. 2. Print your name and Id# on the top of the first page. 3. Always give the exact answer(s) in the simplest form unless it's specified otherwise. 4. Box your final answers. GOOD LUCK! 1) (11 points) Find all critical numbers of f(x)=x-Vx. (Show all five steps.) 2) (11 points) The below figure shows the graph of derivative function f '(x) of a function f(x). The...
**MUST BE ABLE TO ANSWER ALL QUESTIONS**
A) During January, its first month of
operations, Dieker Company accumulated the following manufacturing
costs: raw materials $5,400 on account, factory labor $6,100 of
which $5,900 relates to factory wages payable and $200 relates to
payroll taxes payable, and utilities payable $2,500.
Prepare separate journal entries for each type of manufacturing
cost.
**************************************************************************************************
B) In January, Dieker Company requisitions raw
materials for production as follows: Job 1 $970, Job 2 $1,400, Job
3...
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