## Solution Library

#### Calculation of the Ratio Correction Factor

Question If a 0.6 accuracy class current transformer has phase angle beta of +10 at 100% rated current, the ratio correction factor is Summary: This question belongs to electrostatics in physics and discusses about class current transformer and to determine the ratio correction factor. Total word ... Read More

Reads ( 1345 )
 Price: Original Price: \$4.00 Now at: \$2.00

#### Calculation of RCF Value of a Transformer

Question If a 1.2 accuracy class current transformer used at a lagging phase angle gamma of 10, the RCF value is Summary: This question belongs to electrostatics in physics and discusses about class current transformer that has a lagging phase angle gamma and to determine the RCF value. Total wor ... Read More

Reads ( 1469 )
 Price: Original Price: \$4.00 Now at: \$2.00

#### Calculation of Combined PACF of the Transformer

Question In a single -phase wattmeter application at full load, the potential transformer phase-angle error gamma is -9 and the current transformer phase angle error beta is -3. If the load operates at a 0.90 leading pf, the combined PACF of the transformer is Summary: This question belongs to ele ... Read More

Reads ( 945 )
 Price: Original Price: \$4.00 Now at: \$2.00

#### Quantitative and Qualitative Assessment of a Reactor

Question Find the most suitable reactor for the situation posed. The company you work for makes a product, GREATSTUFF (G). To make G, reactants NEEDED (N) and ALSO (A) are used. Therefore, G, is made by the following reaction (1):             ... Read More

Reads ( 1082 )
 Price: Original Price: \$20.00 Now at: \$11.00

#### Stress Required to Stretch the Sample to 25 cm Length

Question A strip of elastomer 1 cm x 1 cm x 10 cm is stretched to 25-cm length at 25°C, a stress of 1.5 x 10-7 dynes/cm2 being required. a) Assuming a tetrafunctional cross-linking mode, how many moles of network chains are there per cubic centimeter? b) What stress is required to stretch the ... Read More

Reads ( 1819 )
 Price: Original Price: \$8.00 Now at: \$3.00

#### Youngs Modulus and Shear Modulus for an Elastometer

Question Young’s modulus for an elastomer at 25°C is 3 x 107 dynes/cm2. What is its shear modulus? What is the retractive stress if a sample 1 cm x 1 cm x 10 cm is stretched to 25 cm length at 100°C? Summary This question belongs to physics and discusses about Young’s Modulus ... Read More

Reads ( 645 )
 Price: Original Price: \$7.00 Now at: \$2.00

#### Creep and Creep Recovery Curves for Three Element Model

Question Draw the creep and creep recovery curves for the three-element model consisting of a Kelvin element and a spring in series. Summary This question belongs to physics and discusses about creep and creep recovery curves. Word count: NA   ... Read More

Reads ( 2361 )
 Price: Original Price: \$8.00 Now at: \$3.00

#### Viscosity of the Polymer when Molecular Weight is Doubled

Question A new polymer with a mer weight of 211 g/mol and five atoms in the chain was found to have a weight-average molecular weight of 300,000 g/mol. Its melt viscosity is 1500 poises. What is the viscosity of the polymer if its molecular weight is doubled? Summary This question belongs to phys ... Read More

Reads ( 2162 )
 Price: Original Price: \$8.00 Now at: \$3.00

#### Melt Viscosity at 140 Degrees C and Zw is 900

Question A polymer with a Tg of 110°C and a Zw of 400 was found to have a melt viscosity of 5000 Pa.s at 160°C. What is its melt viscosity at 140°C when Zw = 900? [Hint: Combine the WLF equation with the DP dependence]. Summary This question belongs to physics and discusses about mel ... Read More

Reads ( 1600 )
 Price: Original Price: \$8.00 Now at: \$3.00

#### Radial Wave Function of a Mass Moving in a Spherically Symmetric Potential

Question Summary This question belongs to physics and discusses about radial wave function of a mass moving in a spherically symmetric potential. Word count: NA   ... Read More

Reads ( 2117 )
 Price: Original Price: \$9.00 Now at: \$4.00

#### OceansÂ  and its Physical Properties

Question The physical properties of water make it a very unusual substance and determine many of the properties of the oceans. Here are two simple experiments that can help us investigate how things dissolve in water and how water freezes. Experiment Materials: A glass (with a smooth even rim), ... Read More

Reads ( 977 )
 Price: Original Price: \$11.00 Now at: \$5.00

#### Properties of Oceans and Freezing Properties of Water

Question The physical properties of water make it a very unusual substance and determine many of the properties of the oceans. Here are two simple experiments that can help us investigate how things dissolve in water and how water freezes. Materials: 4 glasses (8 to 12 oz.), water, salt, food col ... Read More

Reads ( 511 )
 Price: Original Price: \$11.00 Now at: \$5.00